WoRMS taxon details

Unio Philipsson, 1788

182707  (urn:lsid:marinespecies.org:taxname:182707)

accepted
Genus
Mya pictorum Linnaeus, 1758 accepted as Unio pictorum (Linnaeus, 1758) (type by subsequent designation)
Margarita (Unio) (reversed priority of genus-group names)
Margaron (Unio) (reversed priority of genus-group names)
Unis Hutton, 1883 (orthographic variant)
Species Unio crassus Philipsson, 1788
Species Unio elongatulus C. Pfeiffer, 1825
Species Unio introrugatus Connolly, 1931
Species Unio kirchbergensis Krauss, 1852 †
Species Unio mancus Lamarck, 1819
Species Unio migliorinii Magrograssi, 1928 †
Species Unio pictorum (Linnaeus, 1758)
Species Unio pseudatavus Bukowski, 1896 †
Species Unio tigridis Bourguignat, 1852
Species Unio tumidus Philipsson, 1788

Species Unio tenuis Gray in Griffith & Pidgeon, 1833 (taxon inquirendum)

Species Unio radula Say, 1829 (nomen dubium)

Subgenus Unio (Naia) Lea, 1836 (nomen nudum)
Species Unio pequottinus Linsley, 1845 (nomen nudum)

Subgenus Unio (Alasmodon) Sowerby I., 1824 accepted as Alasmidonta Say, 1818 (invalid: unjustified emendation)
Subgenus Unio (Anodontes) Cuvier, 1817 accepted as Anodontites Bruguière, 1792 (a junior synonym)
  » Species Unio (Anodontes) lucida d'Orbigny, 1835 accepted as Anodontites lucidus (d'Orbigny, 1835) (original combination)
Subgenus Unio (Arconaia) accepted as Arconaia Conrad, 1865
Subgenus Unio (Aximedia) accepted as Pleurobema Rafinesque, 1819
Subgenus Unio (Canthyria) accepted as Elliptio Rafinesque, 1819
Subgenus Unio (Coelatura) Conrad, 1853 accepted as Coelatura Conrad, 1853 (original rank)
Subgenus Unio (Elliptio) accepted as Elliptio Rafinesque, 1819
  » Species Unio (Elliptio) aheneus (I. Lea, 1843) accepted as Elliptio ahenea (I. Lea, 1843) (recombination)
  » Species Unio (Elliptio) amabilis (I. Lea, 1865) accepted as Pleurobema pyriforme (I. Lea, 1857)
  » Species Unio (Elliptio) angustatus (I. Lea, 1831) accepted as Elliptio angustata (I. Lea, 1831) (recombination)
  » Species Unio (Elliptio) aquilus (I. Lea, 1857) accepted as Elliptio pullata (I. Lea, 1856)
  » Species Unio (Elliptio) arctatus (Conrad, 1834) accepted as Elliptio arctata (Conrad, 1834)
  » Species Unio (Elliptio) attenuatus (I. Lea, 1872) accepted as Elliptio folliculata (I. Lea, 1838)
  » Species Unio (Elliptio) aurata Rafinesque, 1820 accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) brimleyi (Wright, S.H., 1897) accepted as Fusconaia masoni (Conrad, 1834)
  » Species Unio (Elliptio) buckleyi (I. Lea, 1843) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) burkensis (I. Lea, 1859) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) burtchianus (Wright, S.H., 1897) accepted as Elliptio occulta (I. Lea, 1843)
  » Species Unio (Elliptio) buxtoni (Wright, B.H., 1897) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) catawbensis (I. Lea, 1862) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) chipolaensis (Walker, 1905) accepted as Elliptio chipolaensis (Walker, 1905)
  » Species Unio (Elliptio) complanatus (Lightfoot, 1786) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) confertus (I. Lea, 1834) accepted as Elliptio raveneli (Conrad, 1834) accepted as Elliptio icterina (Conrad, 1834) (recombination)
  » Species Unio (Elliptio) congaraeus (I. Lea, 1831) accepted as Elliptio congaraea (I. Lea, 1831) (recombination)
  » Species Unio (Elliptio) coruscus (Gould, 1856) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) crassidens (Lamarck, 1819) accepted as Elliptio crassidens (Lamarck, 1819)
  » Species Unio (Elliptio) cunninghami (Wright, B.H., 1883) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) cuvierianus (I. Lea, 1853) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) danielsii (Wright, B.H., 1899) accepted as Elliptio crassidens (Lamarck, 1819)
  » Species Unio (Elliptio) dariensis (I. Lea, 1842) accepted as Elliptio dariensis (I. Lea, 1842) (recombination)
  » Species Unio (Elliptio) differtus (I. Lea, 1872) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) dispalans (Wright, B.H., 1899) accepted as Elliptio occulta (I. Lea, 1843)
  » Species Unio (Elliptio) dorei (Wright, B.H., 1888) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) dorsatus (I. Lea, 1868) accepted as Elliptio congaraea (I. Lea, 1831)
  » Species Unio (Elliptio) downiei (I. Lea, 1858) accepted as Elliptio downiei (I. Lea, 1858)
  » Species Unio (Elliptio) duttonianus (I. Lea, 1841) accepted as Elliptio lanceolata (I. Lea, 1827)
  » Species Unio (Elliptio) emmonsii (I. Lea, 1857) accepted as Elliptio lanceolata (I. Lea, 1827)
  » Species Unio (Elliptio) errans (I. Lea, 1856) accepted as Elliptio errans (I. Lea, 1856) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) fasciata Rafinesque, 1820 accepted as Ortmanniana ligamentina (Lamarck, 1819) accepted as Actinonaias ligamentina (Lamarck, 1819)
  » Species Unio (Elliptio) ferrissii (Marsh, 1891) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) fisherianus (I. Lea, 1838) accepted as Elliptio fisheriana (I. Lea, 1838)
  » Species Unio (Elliptio) folliculatus (I. Lea, 1838) accepted as Elliptio folliculata (I. Lea, 1838) (recombination)
  » Species Unio (Elliptio) forbesianus (I. Lea, 1852) accepted as Elliptio congaraea (I. Lea, 1831)
  » Species Unio (Elliptio) fraternus (I. Lea, 1852) accepted as Elliptio fraterna (I. Lea, 1852)
  » Species Unio (Elliptio) fuscatus (I. Lea, 1843) accepted as Elliptio occulta (I. Lea, 1843) (recombination)
  » Species Unio (Elliptio) geminus (I. Lea, 1856) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) gibbosus (Barnes, 1823) accepted as Eurynia dilatata (Rafinesque, 1820)
  » Species Unio (Elliptio) hartwrighti (Wright, B.H., 1896) accepted as Elliptio monroensis (I. Lea, 1843)
  » Species Unio (Elliptio) hazelhurstianus (I. Lea, 1858) accepted as Elliptio lanceolata (I. Lea, 1827)
  » Species Unio (Elliptio) hinkleyi (Wright, B.H., 1888) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) hopetonensis (I. Lea, 1838) accepted as Elliptio hopetonensis (I. Lea, 1838)
  » Species Unio (Elliptio) icterinus (Conrad, 1834) accepted as Elliptio icterina (Conrad, 1834)
  » Species Unio (Elliptio) iheringi (Wright, B.H., 1898) accepted as Sphenonaias taumilapana (Conrad, 1855)
  » Species Unio (Elliptio) incrassatus (I. Lea, 1840) accepted as Elliptio crassidens (Lamarck, 1819)
  » Species Unio (Elliptio) insulsus (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) inusitatis (I. Lea, 1859) accepted as Elliptio hopetonensis (I. Lea, 1838)
  » Species Unio (Elliptio) jayensis (I. Lea, 1838) accepted as Elliptio jayensis (I. Lea, 1838) (recombination)
  » Species Unio (Elliptio) lanceolatus (I. Lea, 1830) accepted as Elliptio lanceolata (I. Lea, 1827)
  » Species Unio (Elliptio) lazarus (I. Lea, 1852) accepted as Elliptio arctata (Conrad, 1834)
  » Species Unio (Elliptio) lecontianus I. Lea, 1838 accepted as Elliptio congaraea (I. Lea, 1831) (recombination)
  » Species Unio (Elliptio) lehmanii (Wright, S.H., 1897) accepted as Elliptio occulta (I. Lea, 1843)
  » Species Unio (Elliptio) livingstonensis (I. Lea, 1863) accepted as Elliptio icterina (Conrad, 1834)
  » Species Unio (Elliptio) luridus (I. Lea, 1852) accepted as Elliptio arca (Conrad, 1834)
  » Species Unio (Elliptio) masoni (Conrad, 1834) accepted as Fusconaia masoni (Conrad, 1834)
  » Species Unio (Elliptio) merus (I. Lea, 1852) accepted as Fusconaia masoni (Conrad, 1834)
  » Species Unio (Elliptio) micans (I. Lea, 1857) accepted as Elliptio icterina (Conrad, 1834)
  » Species Unio (Elliptio) mitchelli (Simpson in Dall, 1895) accepted as Fusconaia mitchelli (Simpson in Dall, 1895)
  » Species Unio (Elliptio) monroensis (I. Lea, 1843) accepted as Elliptio monroensis (I. Lea, 1843)
  » Species Unio (Elliptio) nasutulus (I. Lea, 1863) accepted as Elliptio producta (Conrad, 1836)
  » Species Unio (Elliptio) naviculoides (I. Lea, 1857) accepted as Elliptio lanceolata (I. Lea, 1827)
  » Species Unio (Elliptio) nigellus (I. Lea, 1852) accepted as Elliptio nigella (I. Lea, 1852)
  » Species Unio (Elliptio) nigra Rafinesque, 1820 accepted as Elliptio crassidens (Lamarck, 1819)
  » Species Unio (Elliptio) oblatus (I. Lea, 1863) accepted as Elliptio icterina (Conrad, 1834)
  » Species Unio (Elliptio) obnubilus (I. Lea, 1857) accepted as Elliptio icterina (Conrad, 1834)
  » Species Unio (Elliptio) occultus (I. Lea, 1843) accepted as Elliptio occulta (I. Lea, 1843) (recombination)
  » Species Unio (Elliptio) ocmulgeensis (I. Lea, 1861) accepted as Elliptio icterina (Conrad, 1834)
  » Species Unio (Elliptio) oscari (Wright, B.H., 1892) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) perstriatus (I. Lea, 1852) accepted as Elliptio arctata (Conrad, 1834)
  » Species Unio (Elliptio) pinei (Wright, B.H., 1897) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) plantii (I. Lea, 1857) accepted as Elliptio fumata (I. Lea, 1857)
  » Species Unio (Elliptio) polymorphus (Wright, B.H., 1899) accepted as Elliptio monroensis (I. Lea, 1843)
  » Species Unio (Elliptio) popeii (I. Lea, 1857) accepted as Popenaias popeii (I. Lea, 1857)
  » Species Unio (Elliptio) productus (Conrad, 1836) accepted as Elliptio producta (Conrad, 1836)
  » Species Unio (Elliptio) purus (I. Lea, 1858) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) pusillus (Barnes, 1840) accepted as Elliptio congaraea (I. Lea, 1831)
  » Species Unio (Elliptio) pygmaeus (I. Lea, 1852) accepted as Lasmigona subviridis (Conrad, 1835)
  » Species Unio (Elliptio) roanokensis I. Lea, 1838 accepted as Elliptio roanokensis (I. Lea, 1838) (recombination)
  » Species Unio (Elliptio) rostraeformis (I. Lea, 1856) accepted as Elliptio lanceolata (I. Lea, 1827)
  » Species Unio (Elliptio) rostrum (I. Lea, 1862) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) sagittiformis (I. Lea, 1852) accepted as Elliptio lanceolata (I. Lea, 1827)
  » Species Unio (Elliptio) sanctorumjohanium Wright, B.H., 1933 accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) shepardianus (I. Lea, 1834) accepted as Elliptio shepardiana (I. Lea, 1834) (recombination)
  » Species Unio (Elliptio) singularis (Wright, B.H., 1899) accepted as Elliptio pullata (I. Lea, 1856)
  » Species Unio (Elliptio) sloatianus (I. Lea, 1840) accepted as Elliptoideus sloatianus (I. Lea, 1840)
  » Species Unio (Elliptio) sordidus (I. Lea, 1852) accepted as Elliptio congaraea (I. Lea, 1831)
  » Species Unio (Elliptio) spadiceus (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) spissus (I. Lea, 1859) accepted as Elliptio downiei (I. Lea, 1858)
  » Species Unio (Elliptio) stonensis (I. Lea, 1840) accepted as Eurynia dilatata (Rafinesque, 1820)
  » Species Unio (Elliptio) striatulus (I. Lea, 1857) accepted as Fusconaia masoni (Conrad, 1834)
  » Species Unio (Elliptio) strigosus (I. Lea, 1840) accepted as Elliptio arctata (Conrad, 1834)
  » Species Unio (Elliptio) strumosus (I. Lea, 1872) accepted as Elliptio congaraea (I. Lea, 1831)
  » Species Unio (Elliptio) subinflatus (Conrad, 1835) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Unio (Elliptio) subluridus (Simpson, 1892) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) subniger (I. Lea, 1857) accepted as Elliptio fumata (I. Lea, 1857)
  » Species Unio (Elliptio) subplanus (Conrad, 1837) accepted as Fusconaia masoni (Conrad, 1834)
  » Species Unio (Elliptio) tenuisculus (Frierson, 1911) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Unio (Elliptio) tuomeyi (I. Lea, 1852) (unaccepted)
  » Species Unio (Elliptio) viridis Rafinesque, 1820 (unaccepted)
  » Species Unio (Elliptio) viridulus (I. Lea, 1863) (unaccepted)
  » Species Unio (Elliptio) waccamawensis (I. Lea, 1863) (unaccepted)
  » Species Unio (Elliptio) waltoni Wright, B.H., 1888 (unaccepted)
  » Species Unio (Elliptio) webbianus Wright, B.H., 1934 (unaccepted)
  » Species Unio (Elliptio) websteri (Wright, B.H., 1888) (unaccepted)
Subgenus Unio (Eurynia) accepted as Eurynia Rafinesque, 1819 (original combination)
Subgenus Unio (Glebula) Conrad, 1853 accepted as Glebula Conrad, 1853 (original rank)
Subgenus Unio (Grandidieria) Bourguignat, 1885 accepted as Grandidieria Bourguignat, 1885
Subgenus Unio (Lampsilis) accepted as Lampsilis Rafinesque, 1820
Subgenus Unio (Lanceolaria) Conrad, 1853 accepted as Lanceolaria Conrad, 1853
Subgenus Unio (Leptodea) accepted as Leptodea Rafinesque, 1820
Subgenus Unio (Nodularia) Conrad, 1853 accepted as Nodularia Conrad, 1853 (original rank)
Subgenus Unio (Obovaria) accepted as Obovaria Rafinesque, 1819
Subgenus Unio (Parreysia) Conrad, 1853 accepted as Parreysia Conrad, 1853 (original combination)
Subgenus Unio (Pleurobema) accepted as Pleurobema Rafinesque, 1819
Subgenus Unio (Quadrula) accepted as Quadrula Rafinesque, 1820
Subgenus Unio (Sayunio) accepted as Hemistena Rafinesque, 1820
Subgenus Unio (Symphynota) accepted as Potamilus Rafinesque, 1818
Subgenus Unio (Uniomerus) Conrad, 1853 accepted as Uniomerus Conrad, 1853 (original rank)
Species Unio abacoides Haldeman, 1846 accepted as Dromus dromas (I. Lea, 1834)
Species Unio abacus Haldeman, 1842 accepted as Ptychobranchus fasciolaris (Rafinesque, 1820)
Species Unio abbevillensis I. Lea, 1857 accepted as Elliptio complanata (Lightfoot, 1786)
Species Unio abbreviatus Westerlund, 1897 accepted as Nodularia douglasiae (Gray, 1833) (invalid: junior homonym of Unio abbreviatus de Joannis, 1859)
Species Unio aberrans I. Lea, 1863 accepted as Elliptio complanata (Lightfoot, 1786)
Species Unio aberti Conrad, 1850 accepted as Cyprogenia aberti (Conrad, 1850)
Species Unio ablatus (I. Lea, 1863) accepted as Elliptio icterina (Conrad, 1834) (incorrect original spelling)
Species Unio abruptus Say, 1831 accepted as Lampsilis abrupta (Say, 1831)
Species Unio acuens I. Lea, 1871 accepted as Pleurobema oviforme (Conrad, 1834)
Species Unio acutissimus I. Lea, 1831 accepted as Medionidus acutissimus (I. Lea, 1831) (original combination)
Species Unio aegyptiacus Cailliaud, 1827 accepted as Coelatura aegyptiaca (Cailliaud, 1827) (original combination)
Species Unio aequatorius Morelet, 1885 accepted as Coelatura gabonensis (Küster, 1862) (junior synonym)
Species Unio aequatus I. Lea, 1857 accepted as Elliptio icterina (Conrad, 1834)
Species Unio aesopus Green, 1827 accepted as Plethobasus cyphyus (Rafinesque, 1820)
Species Unio affinis I. Lea, 1852 accepted as Lampsilis straminea (Conrad, 1834)
Species Unio aheneus I. Lea, 1843 accepted as Elliptio ahenea (I. Lea, 1843) (original combination)
Species Unio alabamensis Conrad, 1834 accepted as Potamilus inflatus (I. Lea, 1831)
Species Unio alatus Say, 1817 accepted as Potamilus alatus (Say, 1817)
Species Unio alienigenus Crosse & P. Fischer, 1893 accepted as Cyrtonaias umbrosa (I. Lea, 1856)
Species Unio altilis Conrad, 1834 accepted as Hamiota altilis (Conrad, 1834)
Species Unio altus Conrad, 1854 accepted as Pleurobema altum (Conrad, 1854)
Species Unio amabilis I. Lea, 1865 accepted as Pleurobema pyriforme (I. Lea, 1857)
Species Unio ambiguus Philippi, 1847 accepted as Velesunio ambiguus (Philippi, 1847) (original combination)
Species Unio amoenus I. Lea, 1840 accepted as Villosa iris (I. Lea, 1829) accepted as Cambarunio iris (Lea, I., 1829) (synonym)
Species Unio amplus I. Lea, 1872 accepted as Elliptio complanata (Lightfoot, 1786)
Species Unio amygdalum I. Lea, 1843 accepted as Villosa amygdalum (I. Lea, 1843) (original combination)
Species Unio anaticulus I. Lea, 1861 accepted as Pleurobema decisum (I. Lea, 1831)
Species Unio andersonensis I. Lea, 1872 accepted as Fusconaia cor (Conrad, 1834)
Species Unio andersoniana G. Nevill, 1877 accepted as Indonaia andersoniana (G. Nevill, 1877) (original combination)
Species Unio angasi G. B. Sowerby II, 1867 accepted as Velesunio angasi (G. B. Sowerby II, 1867) (original combination)
Species Unio angustatus I. Lea, 1831 accepted as Elliptio angustata (I. Lea, 1831) (original combination)
Species Unio anodontoides I. Lea, 1831 accepted as Lampsilis teres (Rafinesque, 1820)
Species Unio anthonyi I. Lea, 1861 accepted as Elliptio monroensis (I. Lea, 1843)
Species Unio apicinus I. Lea, 1857 accepted as Villosa lienosa (Conrad, 1834) accepted as Leaunio lienosus lienosus (Conrad, 1834) (synonym)
Species Unio apiculatus Say, 1829 accepted as Quadrula apiculata (Say, 1829)
Species Unio appressus I. Lea, 1871 accepted as Fusconaia cuneolus (I. Lea, 1840)
Species Unio approximus I. Lea, 1845 accepted as Lampsilis hydiana (I. Lea, 1838)
Species Unio aquilus I. Lea, 1857 accepted as Elliptio pullata (I. Lea, 1856)
Species Unio aratus Conrad, 1849 accepted as Elliptoideus sloatianus (I. Lea, 1840)
Species Unio arcaeformis I. Lea, 1831 accepted as Epioblasma arcaeformis (I. Lea, 1831) (original combination)
Species Unio arctatus Conrad, 1834 accepted as Elliptio arctata (Conrad, 1834)
Species Unio arctior I. Lea, 1838 accepted as Eurynia dilatata (Rafinesque, 1820)
Species Unio arcus Conrad, 1834 accepted as Elliptio arca (Conrad, 1834)
Species Unio argenteus I. Lea, 1841 accepted as Pleurobema oviforme (Conrad, 1834)
Species Unio arkansasensis I. Lea, 1862 accepted as Obovaria arkansasensis (I. Lea, 1862)
Species Unio arquatus Conrad, 1854 accepted as Ligumia recta (Lamarck, 1819)
Species Unio ascia Hanley, 1856 accepted as Contradens contradens (Lea, 1838) (junior synonym)
Species Unio askewi Marsh, 1896 accepted as Fusconaia askewi (Marsh, 1896) accepted as Fusconaia chunii (Lea, 1861)
Species Unio asper I. Lea, 1831 accepted as Quadrula apiculata (Say, 1829)
Species Unio asperatus I. Lea, 1861 accepted as Rotundaria asperata (I. Lea, 1861) accepted as Cyclonaias asperata (Lea, 1861)
Species Unio asperrimus I. Lea, 1831 accepted as Quadrula quadrula (Rafinesque, 1820)
Species Unio asperulus I. Lea, 1866 accepted as Contradens contradens (Lea, 1838) (junior synonym)
Species Unio ater I. Lea, 1829 accepted as Potamilus purpuratus (Lamarck, 1819)
Species Unio ater Nilsson, 1822 accepted as Unio crassus Philipsson, 1788
Species Unio atrata Swainson, 1823 accepted as Leptodea fragilis (Rafinesque, 1820)
Species Unio atrocostatus I. Lea, 1845 accepted as Amblema plicata (Say, 1817)
Species Unio atromarginatus I. Lea, 1840 accepted as Elliptoideus sloatianus (I. Lea, 1840)
Species Unio attenuatus I. Lea, 1872 accepted as Elliptio folliculata (I. Lea, 1838)
Species Unio aureus I. Lea, 1859 accepted as Rotundaria aurea (I. Lea, 1859) accepted as Cyclonaias aurea (Lea, 1859)
Species Unio auricularius Spengler, 1793 accepted as Pseudunio auricularius (Spengler, 1793) (original combination)
Species Unio australis Lamarck, 1819 accepted as Hyridella australis (Lamarck, 1819) (original combination)
Species Unio averellii Wright, B.H., 1888 accepted as Villosa vibex (Conrad, 1834) (synonym)
Species Unio aztecorum Philippi, 1847 accepted as Nephronaias aztecorum (Philippi, 1847) (original combination)
Species Unio bairdianus I. Lea, 1857 accepted as Toxolasma texasiense (I. Lea, 1857)
Species Unio bakeri H. Adams, 1866 accepted as Coelatura bakeri (H. Adams, 1866) (original combination)
Species Unio baldwinensis I. Lea, 1859 accepted as Elliptio complanata (Lightfoot, 1786)
Species Unio balonnensis Conrad, 1850 accepted as Velesunio ambiguus (Philippi, 1847) (junior synonym)
Species Unio barnesianus I. Lea, 1838 accepted as Pleuronaia barnesiana (I. Lea, 1838) (original combination)
Species Unio barrattii I. Lea, 1852 accepted as Elliptio icterina (Conrad, 1834)
Species Unio barrotti Küster, 1861 accepted as Elliptio producta (Conrad, 1836)
Species Unio basalis I. Lea, 1872 accepted as Elliptio fumata (I. Lea, 1857)
Species Unio beadleianus I. Lea, 1861 accepted as Pleurobema beadleianum (I. Lea, 1861)
Species Unio bealei I. Lea, 1862 accepted as Toxolasma texasiense (I. Lea, 1857)
Species Unio beaverensis I. Lea, 1868 accepted as Elliptio complanata (Lightfoot, 1786)
Species Unio bednalli Tate, 1882 accepted as Velesunio angasi (G. B. Sowerby II, 1867) (junior synonym)
Species Unio bellulus I. Lea, 1872 accepted as Pleurobema oviforme (Conrad, 1834)
Species Unio berlandieri I. Lea, 1857 accepted as Unio berlandierii I. Lea, 1857 accepted as Cyrtonaias tampicoensis (I. Lea, 1838) (incorrect spelling)
Species Unio berlandierii I. Lea, 1857 accepted as Cyrtonaias tampicoensis (I. Lea, 1838)
Species Unio bhamoensis Theobald, 1873 (unaccepted, original combination)
Species Unio biangularis I. Lea, 1840 (unaccepted)
Species Unio bicaelatus Reeve, 1865 (unaccepted, synonym)
Species Unio biemarginatus I. Lea, 1857 (unaccepted)
Species Unio biesianus Heude, 1877 (unaccepted, original combination)
Species Unio bigbyensis I. Lea, 1841 (unaccepted)
Species Unio bisselianus I. Lea, 1867 (unaccepted)
Species Unio blandianus I. Lea, 1856 (unaccepted)
Species Unio blandingianus I. Lea, 1834 (unaccepted)
Species Unio bollii Call, 1881 (unaccepted)
Species Unio bonellii Férussac, 1827 (unaccepted, original combination)
Species Unio borealis Gray, 1882 (unaccepted)
Species Unio bournianus I. Lea, 1840 (unaccepted)
Species Unio boydianus I. Lea, 1840 (unaccepted)
Species Unio boykinianus I. Lea, 1840 (unaccepted)
Species Unio bracteatus Gould, 1855 (unaccepted)
Species Unio brazoensis I. Lea, 1868 (unaccepted)
Species Unio brazosensis I. Lea, 1868 (unaccepted)
Species Unio breviculus Call, 1887 (unaccepted)
Species Unio brevidens I. Lea, 1831 (unaccepted, original combination)
Species Unio breviplicatus Noulet, 1864 † (unaccepted)
Species Unio brevis I. Lea, 1872 (unaccepted)
Species Unio briarti Dautzenberg, 1901 (unaccepted, original combination)
Species Unio brimleyi Wright, S.H., 1897 (unaccepted)
Species Unio broti Deshayes, 1876 (unaccepted)
Species Unio brumbyanus I. Lea, 1841 (unaccepted)
Species Unio brumleyanus I. Lea, 1841 (unaccepted, incorrect original spelling)
Species Unio buckleyi I. Lea, 1843 (unaccepted)
Species Unio buddianus I. Lea, 1843 (unaccepted)
Species Unio bulbosus I. Lea, 1857 (unaccepted)
Species Unio burkensis I. Lea, 1859 (unaccepted)
Species Unio burmanus Blanford, 1869 (unaccepted, original combination)
Species Unio bursapastoris Wright, B.H., 1896 (unaccepted)
Species Unio burtchianus Wright, S.H., 1897 (unaccepted)
Species Unio buxeus I. Lea, 1853 (unaccepted)
Species Unio buxtoni Wright, B.H., 1897 (unaccepted)
Species Unio cacao I. Lea, 1859 (unaccepted)
Species Unio caelatus Conrad, 1834 (unaccepted)
Species Unio caeruleus I. Lea, 1831 (unaccepted, original combination)
Species Unio caffer Krauss, 1848 (unaccepted, original combination)
Species Unio cahabensis I. Lea, 1871 (unaccepted)
Species Unio calceolus I. Lea, 1827 (unaccepted)
Species Unio caliginosus I. Lea, 1845 (unaccepted, original combination)
Species Unio cambojensis Sowerby, 1866 (unaccepted, junior synonym)
Species Unio camelopardilis I. Lea, 1860 (unaccepted, synonym)
Species Unio camelus I. Lea, 1834 (unaccepted)
Species Unio camptodon Say, 1832 (unaccepted)
Species Unio canadensis I. Lea, 1857 (unaccepted)
Species Unio capax Green, 1832 (unaccepted)
Species Unio caperatus I. Lea, 1845 (unaccepted)
Species Unio capillaris I. Lea, 1834 (unaccepted)
Species Unio capillus Say, 1831 (unaccepted, synonym)
Species Unio capsaeformis I. Lea, 1834 (unaccepted, original combination)
Species Unio cardiacea Guerin, 1823 (unaccepted)
Species Unio carinatus Barnes, 1823 (unaccepted)
Species Unio carinifera Lamarck, 1819 (unaccepted)
Species Unio cariosus Say, 1817 (unaccepted)
Species Unio caroliniana Bosc, 1801 (unaccepted)
Species Unio castaneus I. Lea, 1831 (unaccepted)
Species Unio castus I. Lea, 1860 (unaccepted)
Species Unio catawbensis I. Lea, 1862 (unaccepted)
Species Unio catillus Conrad, 1836 (unaccepted)
Species Unio cerinus Conrad, 1838 (unaccepted)
Species Unio charlottensis I. Lea, 1863 (unaccepted)
Species Unio chathamensis I. Lea, 1863 (unaccepted)
Species Unio chattanoogaensis I. Lea, 1858 (unaccepted)
Species Unio chickasawhensis I. Lea, 1861 (unaccepted)
Species Unio childreni Gray in Griffith & Pidgeon, 1833 (unaccepted, junior synonym)
Species Unio chilensis Gray, 1828 (unaccepted, original combination)
Species Unio chinensis Lea, 1868 (unaccepted, original combination)
Species Unio chipolaensis Walker, 1905 (unaccepted)
Species Unio choziensis Preston, 1910 (unaccepted, original combination)
Species Unio chunii I. Lea, 1862 (unaccepted)
Species Unio cicatricoides Frierson, 1911 (unaccepted)
Species Unio cicatricosus Say, 1829 (unaccepted)
Species Unio cicur I. Lea, 1861 (unaccepted)
Species Unio cilindricus Say, 1817 (unaccepted, incorrect subsequent spelling)
Species Unio cincinnatiensis I. Lea, 1840 (unaccepted)
Species Unio cinnamomicus I. Lea, 1861 (unaccepted)
Species Unio circulus I. Lea, 1829 (unaccepted)
Species Unio circumactus I. Lea, 1871 (unaccepted)
Species Unio cirratus I. Lea, 1874 (unaccepted)
Species Unio cistellaeformis I. Lea, 1863 (unaccepted)
Species Unio claibornensis I. Lea, 1838 (unaccepted)
Species Unio clarkianus I. Lea, 1852 (unaccepted)
Species Unio clava Lamarck, 1819 (unaccepted)
Species Unio clinchensis I. Lea, 1867 (unaccepted)
Species Unio coarctata Lamarck, 1819 (unaccepted)
Species Unio coccineus Conrad, 1836 (unaccepted)
Species Unio coccineus I. Lea, 1838 (unaccepted)
Species Unio cocoduensis Reeve, 1865 (unaccepted, synonym)
Species Unio coelatus Conrad, 1834 (unaccepted)
Species Unio cognatus I. Lea, 1860 (unaccepted)
Species Unio collinus Conrad, 1837 (unaccepted, original combination)
Species Unio coloradoensis I. Lea, 1856 (unaccepted)
Species Unio columbensis I. Lea, 1857 (unaccepted)
Species Unio compactus I. Lea, 1859 (unaccepted)
Species Unio compertus Frierson, 1911 (unaccepted)
Species Unio complanatus (Lightfoot, 1786) (unaccepted)
Species Unio compressa (I. Lea, 1830) (unaccepted)
Species Unio compressissimus I. Lea, 1845 (unaccepted)
Species Unio compressus Rafinesque, 1831 (unaccepted)
Species Unio conasaugaensis I. Lea, 1872 (unaccepted)
Species Unio concavus I. Lea, 1852 (unaccepted, synonym)
Species Unio concestator I. Lea, 1857 (unaccepted, synonym)
Species Unio concolor I. Lea, 1861 (unaccepted)
Species Unio confertus I. Lea, 1834 (unaccepted)
Species Unio congaraeus I. Lea, 1831 (unaccepted, original combination)
Species Unio congareus I. Lea, 1831 (unaccepted, incorrect spelling)
Species Unio conjugans Wright, B.H., 1899 (unaccepted)
Species Unio conradicus I. Lea, 1834 (unaccepted, original combination)
Species Unio consanguineus I. Lea, 1861 (unaccepted)
Species Unio conspicuus I. Lea, 1872 (unaccepted)
Species Unio contiguus I. Lea, 1862 (unaccepted, synonym)
Species Unio contractus I. Lea, 1857 (unaccepted)
Species Unio contradens I. Lea, 1838 (unaccepted, original name)
Species Unio contrarius Conrad, 1849 (unaccepted)
Species Unio conus Spengler, 1793 (unaccepted)
Species Unio cooperianus I. Lea, 1834 (unaccepted, original combination)
Species Unio copei I. Lea, 1868 (unaccepted)
Species Unio cor Conrad, 1834 (unaccepted)
Species Unio corneus I. Lea, 1874 (unaccepted)
Species Unio cornutus Barnes, 1823 (unaccepted)
Species Unio corrianus I. Lea, 1834 (unaccepted, original combination)
Species Unio coruscus Gould, 1856 (unaccepted)
Species Unio corvinus I. Lea, 1868 (unaccepted)
Species Unio corvunculus I. Lea, 1868 (unaccepted)
Species Unio corvus I. Lea, 1859 (unaccepted)
Species Unio costatus Goldfuss, 1837 † (unaccepted)
Species Unio couchianus I. Lea, 1860 (unaccepted, original combination)
Species Unio crapulus I. Lea, 1861 (unaccepted)
Species Unio crassidens Lamarck, 1819 (unaccepted)
Species Unio crassus Say, 1817 (unaccepted, invalid: junior homonym of Unio crassus Philipsson, 1788)
Species Unio crebrivittatus I. Lea, 1861 (unaccepted)
Species Unio creperus I. Lea, 1838 (unaccepted, synonym)
Species Unio crispisulcatus Benson, 1862 (unaccepted, original combination)
Species Unio crocatus I. Lea, 1841 (unaccepted)
Species Unio cromwellii I. Lea, 1865 (unaccepted)
Species Unio crossei Deshayes in Deshayes & Julien, 1874 (unaccepted, junior synonym)
Species Unio crudus I. Lea, 1871 (unaccepted)
Species Unio cucumoides I. Lea, 1840 (unaccepted, junior synonym)
Species Unio cultelliformis Conrad, 1850 (unaccepted, junior synonym)
Species Unio cultratus Rafinesque, 1831 (unaccepted)
Species Unio cumberlandicus I. Lea, 1838 (unaccepted, synonym)
Species Unio cumingianus Dunker, 1852 (unaccepted, junior synonym)
Species Unio cuneatus Barnes, 1823 (unaccepted)
Species Unio cuneatus Swainson, 1823 (unaccepted)
Species Unio cuneolus I. Lea, 1840 (unaccepted, original combination)
Species Unio cuneus Conrad, 1838 (unaccepted)
Species Unio cunninghami Wright, B.H., 1883 (unaccepted)
Species Unio curatus I. Lea, 1863 (unaccepted)
Species Unio curtus I. Lea, 1859 (unaccepted)
Species Unio curvatus I. Lea, 1872 (unaccepted)
Species Unio cuspidatus I. Lea, 1872 (unaccepted)
Species Unio cuvierianus I. Lea, 1852 (unaccepted)
Species Unio cylindrellus I. Lea, 1868 (unaccepted)
Species Unio cylindricus Say, 1817 (unaccepted)
Species Unio cyphia (Rafinesque, 1820) (unaccepted)
Species Unio dactylus I. Lea, 1840 (unaccepted)
Species Unio dahuricus Middendorff, 1850 (unaccepted, original combination)
Species Unio dalli Wright, B.H., 1888 (unaccepted)
Species Unio danelli Villa, 1871 (unaccepted, junior synonym)
Species Unio danielsii Wright, B.H., 1899 (unaccepted)
Species Unio dariensis I. Lea, 1842 (unaccepted, original combination)
Species Unio datus I. Lea, 1868 (unaccepted)
Species Unio dautzenbergi Morlet, 1889 (unaccepted, junior synonym)
Species Unio decisus I. Lea, 1831 (unaccepted, original combination)
Species Unio declivis Say, 1831 (unaccepted)
Species Unio decoratus I. Lea, 1852 (unaccepted)
Species Unio decumbens I. Lea, 1861 (unaccepted)
Species Unio dehiscens Say, 1829 (unaccepted)
Species Unio delesserti Bourguignat, 1852 (unaccepted)
Species Unio delumbis Conrad, 1834 (unaccepted, original combination)
Species Unio depressa Lamarck, 1819 (unaccepted, original combination)
Species Unio depressus Reeve, 1864 (unaccepted, Invalid: junior homonym of Unio depressus Lamarck, 1819)
Species Unio depygis Conrad, 1866 (unaccepted)
Species Unio detectus Frierson, 1911 (unaccepted)
Species Unio deviatus Reeve, 1864 (unaccepted)
Species Unio diazensis Wright, S.H., 1897 (unaccepted)
Species Unio diespiter Mabille, 1887 (unaccepted, original combination)
Species Unio differtus I. Lea, 1872 (unaccepted)
Species Unio difficilis I. Lea, 1868 (unaccepted, synonym)
Species Unio dimotus I. Lea, 1870 (unaccepted, junior synonym)
Species Unio discrepans I. Lea, 1860 (unaccepted, synonym)
Species Unio discus Lea, 1838 (unaccepted, original combination)
Species Unio dispalans Wright, B.H., 1899 (unaccepted)
Species Unio dispansus I. Lea, 1871 (unaccepted, synonym)
Species Unio dispar I. Lea, 1860 (unaccepted, synonym)
Species Unio dissimilis I. Lea, 1872 (unaccepted)
Species Unio distans Anthony, 1865 (unaccepted)
Species Unio diversus Conrad, 1856 (unaccepted)
Species Unio dolabelloides I. Lea, 1840 (unaccepted, original combination)
Species Unio dolabraeformis I. Lea, 1838 (unaccepted, original combination)
Species Unio doliaris I. Lea, 1865 (unaccepted)
Species Unio dolichorhynchus Tapparone Canefri, 1889 (unaccepted)
Species Unio dolosus I. Lea, 1860 (unaccepted)
Species Unio dombeyana Valenciennes, 1827 (unaccepted)
Species Unio donaciformis I. Lea, 1827 (unaccepted, original combination)
Species Unio donacopsis de Gregorio, 1914 (unaccepted, synonym)
Species Unio dooleyensis I. Lea, 1874 (unaccepted)
Species Unio dorei Wright, B.H., 1888 (unaccepted)
Species Unio dorfeuillianus I. Lea, 1838 (unaccepted, original combination)
Species Unio dorri Wattebled, 1886 (unaccepted, original combination)
Species Unio dorsatus I. Lea, 1868 (unaccepted)
Species Unio dorsuosus Gould, 1850 (unaccepted, junior synonym)
Species Unio douglasiae Gray, 1833 (unaccepted, original combination)
Species Unio downiei I. Lea, 1858 (unaccepted)
Species Unio dromas I. Lea, 1834 (unaccepted, original combination)
Species Unio duclerci Rochebrune, 1882 (unaccepted, junior synonym)
Species Unio duttonianus I. Lea, 1841 (unaccepted)
Species Unio ebenus I. Lea, 1831 (unaccepted, original combination)
Species Unio edentulus (Say, 1829) (unaccepted)
Species Unio edgarianus I. Lea, 1840 (unaccepted)
Species Unio eightsii I. Lea, 1860 (unaccepted)
Species Unio electrinus Reeve, 1865 (unaccepted)
Species Unio elegans I. Lea, 1831 (unaccepted)
Species Unio elliottii I. Lea, 1856 (unaccepted, original combination)
Species Unio ellipsiformis Conrad, 1836 (unaccepted, original combination)
Species Unio ellipsis I. Lea, 1827 (unaccepted)
Species Unio ellipticus Barnes, 1823 (unaccepted)
Species Unio elongata Lamarck, 1819 (unaccepted, incorrect gender agreement of specific epithet)
Species Unio elongatus Lamarck, 1819 (unaccepted)
Species Unio emmonsii I. Lea, 1857 (unaccepted)
Species Unio errans I. Lea, 1856 (unaccepted, original combination)
Species Unio essoensis Chaper, 1885 (unaccepted, original combination)
Species Unio estabrookianus I. Lea, 1845 (unaccepted)
Species Unio euliratus Rafinesque, 1831 (unaccepted)
Species Unio exactus I. Lea, 1858 (unaccepted)
Species Unio exacutus I. Lea, 1872 (unaccepted)
Species Unio excavatus I. Lea, 1857 (unaccepted)
Species Unio excultus Conrad, 1838 (unaccepted)
Species Unio exiguus I. Lea, 1840 (unaccepted, synonym)
Species Unio exilis Dunker, 1846 (unaccepted, junior synonym)
Species Unio exolescens Gould, 1843 (unaccepted, original combination)
Species Unio explicatus Morelet, 1849 (unaccepted, original combination)
Species Unio extensus I. Lea, 1857 (unaccepted)
Species Unio fabaceus I. Lea, 1861 (unaccepted, synonym)
Species Unio fabagina Deshayes, 1876 (unaccepted, original combination)
Species Unio fabalis I. Lea, 1831 (unaccepted, original combination)
Species Unio fallax I. Lea, 1857 (unaccepted, synonym)
Species Unio fassinans I. Lea, 1868 (unaccepted)
Species Unio fatuus I. Lea, 1840 (unaccepted, synonym)
Species Unio favosus I. Lea, 1856 (unaccepted)
Species Unio feae Tapparone Canefri, 1889 (unaccepted, original combination)
Species Unio feddeni Theobald, 1873 (unaccepted, original combination)
Species Unio fellmanni Deshayes, 1848 (unaccepted)
Species Unio ferrissii Marsh, 1891 (unaccepted)
Species Unio fibuloides I. Lea, 1859 (unaccepted)
Species Unio fischerianus Morlet, 1883 (unaccepted, junior synonym)
Species Unio fisherianus I. Lea, 1838 (unaccepted, original combination)
Species Unio flabellatus Goldfuss, 1837 † (unaccepted)
Species Unio flabelliferus Noulet, 1864 † (unaccepted)
Species Unio flagellatus Say, 1830 (unaccepted)
Species Unio flavescens I. Lea, 1845 (unaccepted)
Species Unio flavidulus I. Lea, 1861 (unaccepted)
Species Unio flavidus I. Lea, 1872 (unaccepted)
Species Unio florentinus I. Lea, 1857 (unaccepted)
Species Unio floridensis I. Lea, 1852 (unaccepted)
Species Unio fluviatilis Green, 1827 (unaccepted)
Species Unio foliaceus Gould, 1843 (unaccepted, original combination)
Species Unio foliatus Hildreth, 1828 (unaccepted)
Species Unio folliculatus I. Lea, 1838 (unaccepted, original combination)
Species Unio fontanus Conrad, 1866 (unaccepted, synonym)
Species Unio forbesianus I. Lea, 1852 (unaccepted)
Species Unio foremanianus I. Lea, 1842 (unaccepted, original combination)
Species Unio formosus I. Lea, 1831 (unaccepted)
Species Unio forsheyi I. Lea, 1859 (unaccepted)
Species Unio fragosus Conrad, 1835 (unaccepted, original combination)
Species Unio fragrosus Conrad (unaccepted, incorrect subsequent spelling)
Species Unio framesi (Connolly, 1925) (unaccepted, superseded combination)
Species Unio fraternus I. Lea, 1852 (unaccepted)
Species Unio friersoni Wright, B.H., 1896 (unaccepted)
Species Unio fryanus Wright, B.H., 1888 (unaccepted)
Species Unio fucatus I. Lea, 1860 (unaccepted, synonym)
Species Unio fulgidus I. Lea, 1845 (unaccepted)
Species Unio fuliginosus I. Lea, 1845 (unaccepted)
Species Unio fuligo Reeve, 1856 (unaccepted, synonym)
Species Unio fulvus I. Lea, 1834 (unaccepted)
Species Unio fumatus I. Lea, 1857 (unaccepted)
Species Unio furvus Conrad, 1834 (unaccepted)
Species Unio fuscatus I. Lea, 1843 (unaccepted)
Species Unio fusculus Ziegler in Rossmässler, 1835 (unaccepted)
Species Unio gabonensis Küster, 1862 (unaccepted, original combination)
Species Unio gastonensis I. Lea, 1863 (unaccepted)
Species Unio geddingsianus I. Lea, 1840 (unaccepted)
Species Unio geminus I. Lea, 1856 (unaccepted)
Species Unio generosus Gould, 1847 (unaccepted, original combination)
Species Unio genthii I. Lea, 1857 (unaccepted)
Species Unio genuinus I. Lea, 1868 (unaccepted, synonym)
Species Unio geometricus I. Lea, 1834 (unaccepted)
Species Unio georgianus I. Lea, 1841 (unaccepted, original combination)
Species Unio georgina Lamarck, 1819 (unaccepted)
Species Unio gerhardtii I. Lea, 1862 (unaccepted)
Species Unio germanus I. Lea, 1861 (unaccepted)
Species Unio gesnerii I. Lea, 1874 (unaccepted)
Species Unio gianellii Tapparone Canefri, 1889 (unaccepted)
Species Unio gibber I. Lea, 1838 (unaccepted, original combination)
Species Unio gibbesianus I. Lea, 1852 (unaccepted)
Species Unio gibbosus Barnes, 1823 (unaccepted)
Species Unio giganteus Barnes, 1823 (unaccepted)
Species Unio gigas Swainson, 1824 (unaccepted)
Species Unio glaber I. Lea, 1838 (unaccepted, synonym)
Species Unio glabrata Lamarck, 1819 (unaccepted)
Species Unio gladiator Ancey, 1881 (unaccepted, original combination)
Species Unio glandaceus I. Lea, 1861 (unaccepted)
Species Unio glans I. Lea, 1831 (unaccepted)
Species Unio glebulus Say, 1831 (unaccepted)
Species Unio glenelgensis Dennant, 1898 (unaccepted, original combination)
Species Unio globatus I. Lea, 1871 (unaccepted)
Species Unio gouldii I. Lea, 1845 (unaccepted, synonym)
Species Unio gracilentus I. Lea, 1857 (unaccepted)
Species Unio gracilior I. Lea, 1856 (unaccepted, synonym)
Species Unio gracilis Barnes, 1823 (unaccepted)
Species Unio grandensis Conrad, 1855 (unaccepted)
Species Unio graniferus (I. Lea, 1838) (unaccepted, recombination)
Species Unio granulatis (I. Lea, 1861) (unaccepted, incorrect original spelling)
Species Unio granulatus I. Lea, 1861 (unaccepted)
Species Unio greenii Conrad, 1834 (unaccepted)
Species Unio griffithianus I. Lea, 1834 (unaccepted)
Species Unio gubernaculum Reeve, 1865 (unaccepted, original combination)
Species Unio hageni Strubell, 1897 (unaccepted, junior synonym)
Species Unio hagnei Simpson, 1900 (unaccepted, in error for Unio hageni Strubell, 1897)
Species Unio hainesianus I. Lea, 1856 (unaccepted, original name)
Species Unio haleianus I. Lea, 1842 (unaccepted)
Species Unio hallenbeckii I. Lea, 1859 (unaccepted)
Species Unio hanleyianus I. Lea, 1852 (unaccepted)
Species Unio harperi Wright, B.H., 1899 (unaccepted)
Species Unio hartmanianus I. Lea, 1860 (unaccepted)
Species Unio hartwrightii Wright, B.H., 1896 (unaccepted)
Species Unio hastatus I. Lea, 1874 (unaccepted)
Species Unio hauttecoeuri Bourguignat, 1883 (unaccepted, original combination)
Species Unio haysianus I. Lea, 1834 (unaccepted, original combination)
Species Unio hazelhurstianus I. Lea, 1858 (unaccepted)
Species Unio hazlehurstianus I. Lea, 1858 (unaccepted)
Species Unio hebes I. Lea, 1852 (unaccepted)
Species Unio hebetatus Conrad, 1854 (unaccepted)
Species Unio heermannii I. Lea, 1862 (unaccepted)
Species Unio hembeli Conrad, 1838 (unaccepted, original combination)
Species Unio hepaticus I. Lea, 1859 (unaccepted)
Species Unio heros Say, 1829 (unaccepted)
Species Unio heterodon I. Lea, 1829 (unaccepted, original combination)
Species Unio hians Valenciennes, 1821 (unaccepted)
Species Unio higginsii I. Lea, 1857 (unaccepted, original combination)
Species Unio hildrethi Delessert, 1841 (unaccepted)
Species Unio hildrethianus I. Lea, 1834 (unaccepted)
Species Unio hinkleyi Wright, B.H., 1888 (unaccepted)
Species Unio hippopoeus I. Lea, 1845 (unaccepted)
Species Unio holstonensis I. Lea, 1840 (unaccepted)
Species Unio homsensis I. Lea, 1865 (unaccepted, original combination)
Species Unio hopetonensis I. Lea, 1838 (unaccepted, original combination)
Species Unio horei E.A. Smith, 1880 (unaccepted, original combination)
Species Unio houngdarauicus Tapparone Canefri, 1889 (unaccepted, original combination)
Species Unio houstonensis I. Lea, 1859 (unaccepted)
Species Unio humerosus I. Lea, 1868 (unaccepted)
Species Unio hyalinus I. Lea, 1845 (unaccepted)
Species Unio hydianus I. Lea, 1838 (unaccepted, original combination)
Species Unio hypsiprymnus von Martens, 1897 (unaccepted, original combination)
Species Unio icterinus Conrad, 1834 (unaccepted)
Species Unio iheringi Wright, B.H., 1898 (unaccepted)
Species Unio imperialis Morelet, 1862 (unaccepted, junior synonym)
Species Unio imperitus de Gregorio, 1914 (unaccepted)
Species Unio incrassatus I. Lea, 1840 (unaccepted)
Species Unio indefinilus (I. Lea, 1863) (unaccepted, incorrect subsequent spelling)
Species Unio indefinitus I. Lea, 1863 (unaccepted)
Species Unio ineptus I. Lea, 1852 (unaccepted)
Species Unio inflata Hutton, 1873 † (unaccepted, Invalid: not Studer, 1820)
Species Unio inflatus Barnes, 1823 (unaccepted)
Species Unio infucatus Conrad, 1834 (unaccepted)
Species Unio infulgens I. Lea, 1874 (unaccepted)
Species Unio infuscus I. Lea, 1872 (unaccepted)
Species Unio inornatus Reeve, 1865 (unaccepted, junior synonym)
Species Unio insolidus I. Lea, 1872 (unaccepted)
Species Unio instructus I. Lea, 1861 (unaccepted)
Species Unio insulsus I. Lea, 1857 (unaccepted)
Species Unio intercedens I. Lea, 1857 (unaccepted, synonym)
Species Unio intermedius Conrad, 1836 (unaccepted)
Species Unio interruptus Say, 1831 (unaccepted)
Species Unio interruptus I. Lea, 1838 (unaccepted, synonym)
Species Unio interventus I. Lea, 1861 (unaccepted)
Species Unio inusitatis I. Lea, 1859 (unaccepted)
Species Unio invenustus I. Lea, 1874 (unaccepted)
Species Unio irgizlaica Lindholm, 1904 (unaccepted)
Species Unio iridescens Conrad, 1838 (unaccepted, synonym)
Species Unio iris I. Lea, 1829 (unaccepted, original combination)
Species Unio irrasus I. Lea, 1861 (unaccepted)
Species Unio irroratus I. Lea, 1827 (unaccepted, original combination)
Species Unio irwinensis I. Lea, 1872 (unaccepted)
Species Unio jamesianus I. Lea, 1857 (unaccepted)
Species Unio javanus I. Lea, 1840 (unaccepted, junior synonym)
Species Unio jayensis I. Lea, 1838 (unaccepted, original combination)
Species Unio jeffreysianus I. Lea, 1871 (unaccepted, junior synonym)
Species Unio jejunus I. Lea, 1838 (unaccepted)
Species Unio jensenii Baker (unaccepted)
Species Unio jewettii I. Lea, 1867 (unaccepted)
Species Unio johannis I. Lea, 1859 (unaccepted)
Species Unio jonesii I. Lea, 1859 (unaccepted)
Species Unio jourdyi Morlet, 1886 (unaccepted, original combination)
Species Unio katherinae I. Lea, 1838 (unaccepted)
Species Unio keinerianus I. Lea, 1853 (unaccepted, incorrect original spelling)
Species Unio kienerianus I. Lea, 1852 (unaccepted)
Species Unio kingii Wright, B.H., 1900 (unaccepted)
Species Unio kirklandianus Wright, S.H., 1897 (unaccepted)
Species Unio kirtlandianus I. Lea, 1834 (unaccepted)
Species Unio kleinianus I. Lea, 1852 (unaccepted)
Species Unio kunenensis Mousson, 1888 (unaccepted, original combination)
Species Unio laceolatus I. Lea, 1830 (unaccepted)
Species Unio lacrymosus I. Lea, 1827 (unaccepted)
Species Unio laevissimus (I. Lea, 1829) (unaccepted, recombination)
Species Unio lamarckianus I. Lea, 1852 (unaccepted)
Species Unio lanceolatus I. Lea, 1827 (unaccepted, original combination)
Species Unio laosensis Lea, 1863 (unaccepted, original combination)
Species Unio lapillus (Say, 1832) (unaccepted, subsequent spelling for Unio capillus)
Species Unio latecostatus I. Lea, 1845 (unaccepted)
Species Unio latiplicatus Noulet, 1864 † (unaccepted)
Species Unio latiradiatus Conrad, 1838 (unaccepted, synonym)
Species Unio latissimus Sowerby, 1868 (unaccepted)
Species Unio latus I. Lea, 1859 (unaccepted)
Species Unio lawii I. Lea, 1871 (unaccepted)
Species Unio lazarus I. Lea, 1852 (unaccepted)
Species Unio leaii Gray in Griffith & Pidgeon, 1833 (unaccepted, original combination)
Species Unio lecontianus I. Lea, 1838 (unaccepted, original combination)
Species Unio legrandi Petterd, 1889 (unaccepted, junior synonym)
Species Unio lehmanii Wright, S.H., 1897 (unaccepted)
Species Unio leibii I. Lea, 1862 (unaccepted)
Species Unio lenior I. Lea, 1842 (unaccepted, original combination)
Species Unio lenis Conrad, 1838 (unaccepted)
Species Unio lenis I. Lea, 1840 (unaccepted, original combination; junior homonym)
Species Unio lens I. Lea, 1831 (unaccepted)
Species Unio lenticularis I. Lea, 1872 (unaccepted)
Species Unio leonensis Simpson, 1892 (unaccepted)
Species Unio leopoldvillensis Putzeys, 1898 (unaccepted, original combination)
Species Unio lepidus Gould, 1856 (unaccepted, synonym)
Species Unio leprosus Miles, 1861 (unaccepted)
Species Unio lesleyi I. Lea, 1860 (unaccepted)
Species Unio lessoni Küster, 1855 (unaccepted, junior synonym)
Species Unio lesueurianus I. Lea, 1840 (unaccepted)
Species Unio lewisii I. Lea, 1861 (unaccepted)
Species Unio liedtkei Rolle, 1904 (unaccepted, junior synonym)
Species Unio lienosus Conrad, 1834 (unaccepted, original combination)
Species Unio ligamentina Lamarck, 1819 (unaccepted, original combination)
Species Unio ligatus I. Lea, 1872 (unaccepted)
Species Unio limatulus Conrad, 1849 (unaccepted)
Species Unio limosus Nilsson, 1822 (unaccepted)
Species Unio lincecumii I. Lea, 1868 (unaccepted)
Species Unio lindholmi Zhadin, 1938 (unaccepted, a junior synonym)
Species Unio lindsleyi I. Lea, 1860 (unaccepted, synonym)
Species Unio lineata Bory de St. Vincent, 1827 (unaccepted)
Species Unio lineatus I. Lea, 1840 (unaccepted)
Species Unio lineolatus (Rafinesque, 1820) (unaccepted)
Species Unio linguaeformis I. Lea, 1860 (unaccepted, tentative synonym)
Species Unio littoralis Cuvier, 1798 (unaccepted, original combination)
Species Unio litus I. Lea, 1871 (unaccepted)
Species Unio livingstonensis I. Lea, 1863 (unaccepted)
Species Unio longirostris Rossmässler, 1836 (unaccepted)
Species Unio lucidus I. Lea, 1863 (unaccepted)
Species Unio lugens Drouet & Chaper, 1892 (unaccepted, junior synonym)
Species Unio lugubris Say, 1832 (unaccepted)
Species Unio lugubris I. Lea, 1838 (unaccepted)
Species Unio lunulatus Pratt, 1876 (unaccepted)
Species Unio luridus I. Lea, 1852 (unaccepted)
Species Unio luteola Lamarck, 1819 (unaccepted)
Species Unio lyonii I. Lea, 1865 (unaccepted)
Species Unio macer I. Lea, 1857 (unaccepted)
Species Unio maconensis I. Lea, 1857 (unaccepted)
Species Unio macrodon I. Lea, 1859 (unaccepted)
Species Unio maculatus Conrad, 1834 (unaccepted)
Species Unio mandelayensis Theobald, 1873 (unaccepted)
Species Unio manubius Gould, 1855 (unaccepted)
Species Unio margaritifera (Linnaeus, 1758) (unaccepted)
Species Unio marginalis Lamarck, 1819 (unaccepted, original combination)
Species Unio marginis I. Lea, 1865 (unaccepted)
Species Unio marshii Wright, B.H., 1888 (unaccepted)
Species Unio masoni Conrad, 1834 (unaccepted)
Species Unio mecklenbergensis I. Lea, 1863 (unaccepted)
Species Unio mederianus Küster, 1861 (unaccepted, junior synonym)
Species Unio mediocris I. Lea, 1863 (unaccepted)
Species Unio medius I. Lea, 1861 (unaccepted)
Species Unio melinus Conrad, 1838 (unaccepted)
Species Unio menkianus I. Lea, 1838 (unaccepted, synonym)
Species Unio mercerii I. Lea, 1862 (unaccepted)
Species Unio meredithii I. Lea, 1858 (unaccepted)
Species Unio merus I. Lea, 1852 (unaccepted)
Species Unio metanevra (Rafinesque, 1820) (unaccepted)
Species Unio metastriatus Conrad, 1838 (unaccepted)
Species Unio micans I. Lea, 1857 (unaccepted)
Species Unio micheloti Morlet, 1886 (unaccepted, original combination)
Species Unio middendorffi Westerlund, 1890 (unaccepted)
Species Unio minor I. Lea, 1843 (unaccepted)
Species Unio misellus Morelet, 1865 (unaccepted)
Species Unio mississippiensis Conrad, 1850 (unaccepted, synonym)
Species Unio mitchelli Simpson in Dall, 1895 (unaccepted)
Species Unio modicellus I. Lea, 1859 (unaccepted)
Species Unio modicus I. Lea, 1857 (unaccepted)
Species Unio modioliformis I. Lea, 1834 (unaccepted, synonym)
Species Unio moestus I. Lea, 1841 (unaccepted)
Species Unio molleuri Morlet, 1891 (unaccepted)
Species Unio mongolicus Middendorff, 1851 (unaccepted, original combination)
Species Unio monodonta Say, 1829 (unaccepted, original combination)
Species Unio monroensis I. Lea, 1843 (unaccepted, original combination)
Species Unio mooresianus I. Lea, 1857 (unaccepted)
Species Unio moretonicus Reeve, 1865 (unaccepted, original combination)
Species Unio mortoni Conrad, 1835 (unaccepted, original combination)
Species Unio mossambicensis E. von Martens, 1860 (unaccepted, original combination)
Species Unio moussonianus I. Lea, 1852 (unaccepted)
Species Unio mucronatus Barnes, 1823 (unaccepted)
Species Unio muelleri Rossmässler, 1838 (unaccepted)
Species Unio muhlfeldianus I. Lea, 1838 (unaccepted, tentative synonymy)
Species Unio multiplicatus I. Lea, 1831 (unaccepted)
Species Unio multiradiatus I. Lea, 1829 (unaccepted)
Species Unio mundus I. Lea, 1857 (unaccepted)
Species Unio murrayensis I. Lea, 1868 (unaccepted)
Species Unio musivus Spengler, 1793 (unaccepted)
Species Unio mutabilis I. Lea, 1859 (unaccepted, junior synonym)
Species Unio mutatus Mousson, 1849 (unaccepted, junior synonym)
Species Unio mytiloides (Rafinesque, 1820) (unaccepted)
Species Unio nana Lamarck, 1819 (unaccepted)
Species Unio nashvillianus I. Lea, 1834 (unaccepted, synonym)
Species Unio nasuta Lamarck, 1819 (unaccepted)
Species Unio nasutidus (I. Lea, 1863) (unaccepted, incorrect original spelling)
Species Unio nasutulus I. Lea, 1863 (unaccepted)
Species Unio nasutus Say, 1817 (unaccepted, original combination)
Species Unio naviculoides I. Lea, 1857 (unaccepted)
Species Unio naviformis Lamarck, 1819 (unaccepted)
Species Unio naviglioformis I. Lea, 1859 (unaccepted, junior synonym)
Species Unio nebulosus Conrad, 1834 (unaccepted, original combination)
Species Unio negatus I. Lea, 1861 (unaccepted)
Species Unio neglectus I. Lea, 1843 (unaccepted)
Species Unio neislerii I. Lea, 1858 (unaccepted)
Species Unio nepeanensis Conrad, 1850 (unaccepted, junior synonym)
Species Unio neusensis I. Lea, 1858 (unaccepted)
Species Unio nexus Say, 1831 (unaccepted)
Species Unio nigellus I. Lea, 1852 (unaccepted, original combination)
Species Unio nigerrimus I. Lea, 1852 (unaccepted, synonym)
Species Unio nigrinus I. Lea, 1852 (unaccepted, synonym)
Species Unio nitens I. Lea, 1840 (unaccepted)
Species Unio nobilis Conrad, 1854 (unaccepted)
Species Unio nodiferus Conrad, 1841 (unaccepted)
Species Unio nodosa Swainson, 1840 (unaccepted, in error for Mya nodulosa Wood, 1815)
Species Unio nodosus Barnes, 1823 (unaccepted)
Species Unio nolani Wright, B.H., 1888 (unaccepted)
Species Unio northamptonensis I. Lea, 1862 (unaccepted)
Species Unio notatus I. Lea, 1838 (unaccepted, synonym)
Species Unio novaehollandiae Gray, 1834 (unaccepted, original combination)
Species Unio novieboraci I. Lea, 1838 (unaccepted, synonym)
Species Unio nubilus I. Lea, 1868 (unaccepted)
Species Unio nucleopsis Conrad, 1849 (unaccepted)
Species Unio nux I. Lea, 1852 (unaccepted)
Species Unio obesus I. Lea, 1831 (unaccepted)
Species Unio obfuscus I. Lea, 1857 (unaccepted, synonym)
Species Unio oblatus I. Lea, 1863 (unaccepted)
Species Unio obliqua Lamarck, 1819 (unaccepted)
Species Unio obliquiradiatus Reeve, 1865 (unaccepted)
Species Unio oblongus I. Lea, 1872 (unaccepted)
Species Unio obnubilus I. Lea, 1857 (unaccepted)
Species Unio obscurus I. Lea, 1838 (unaccepted, synonym)
Species Unio obtusus I. Lea, 1840 (unaccepted)
Species Unio obuncus I. Lea, 1871 (unaccepted)
Species Unio occidens I. Lea, 1829 (unaccepted)
Species Unio occidentalis Conrad, 1836 (unaccepted)
Species Unio occultus I. Lea, 1843 (unaccepted, original combination)
Species Unio ochmulgensis (I. Lea, 1861) (unaccepted)
Species Unio ochraceus Say, 1817 (unaccepted)
Species Unio ocmulgeensis I. Lea, 1861 (unaccepted)
Species Unio ogeecheensis Conrad, 1849 (unaccepted, synonym)
Species Unio opacus I. Lea, 1857 (unaccepted)
Species Unio opalinus Anthony, 1866 (unaccepted, synonym)
Species Unio oratus Conrad, 1849 (unaccepted)
Species Unio orbiculatus Hildreth, 1828 (unaccepted)
Species Unio orcuttii Wright, S.H., 1888 (unaccepted)
Species Unio oriens I. Lea, 1831 (unaccepted)
Species Unio ornatus I. Lea, 1861 (unaccepted)
Species Unio oscari Wright, B.H., 1892 (unaccepted)
Species Unio otcaloogensis (I. Lea, 1857) (unaccepted)
Species Unio othcaloogensis I. Lea, 1857 (unaccepted)
Species Unio ovatus Liu, Duan & Wang, 1994 (unaccepted, invalid: junior homonym of Unio ovatus Say, 1817; Lamellidens liuovatus is a replacement name)
Species Unio ovatus Say, 1817 (unaccepted, original combination)
Species Unio oviformis Conrad, 1834 (unaccepted)
Species Unio ozarkensis Call, 1887 (unaccepted)
Species Unio paivaeanus Morelet, 1875 (unaccepted, junior synonym)
Species Unio paivanus Morelet, 1865 (unaccepted, junior synonym)
Species Unio pajakomboensis Bullen, 1906 (unaccepted, junior synonym)
Species Unio pallescens I. Lea, 1845 (unaccepted)
Species Unio pallidofulvus I. Lea, 1861 (unaccepted)
Species Unio paludicolus Gould, 1845 (unaccepted)
Species Unio panacoensis Philippi, 1843 (unaccepted, original combination)
Species Unio papyraceus Gould, 1845 (unaccepted, synonym)
Species Unio paralellus (Conrad, 1841) (unaccepted, incorrect original spelling)
Species Unio parallelus Conrad, 1841 (unaccepted)
Species Unio paramattensis I. Lea, 1862 (unaccepted, junior synonym)
Species Unio parvulus I. Lea, 1860 (unaccepted)
Species Unio parvus Barnes, 1823 (unaccepted)
Species Unio pattinoides I. Lea, 1871 (unaccepted)
Species Unio patulus I. Lea, 1829 (unaccepted)
Species Unio pauciplicatus I. Lea, 1872 (unaccepted)
Species Unio paulus I. Lea, 1840 (unaccepted, original combination)
Species Unio pauperculus I. Lea, 1861 (unaccepted)
Species Unio paviei Morlet, 1891 (unaccepted, junior synonym)
Species Unio pawensis I. Lea, 1868 (unaccepted)
Species Unio pealei I. Lea, 1871 (unaccepted)
Species Unio pearlensis Conrad, 1855 (unaccepted)
Species Unio pectitus Conrad, 1854 (unaccepted)
Species Unio pectorosus Conrad, 1834 (unaccepted)
Species Unio peguensis Anthony, 1865 (unaccepted, original combination)
Species Unio pellucidus I. Lea, 1845 (unaccepted, synonym)
Species Unio penicillatus I. Lea, 1857 (unaccepted)
Species Unio penitus Conrad, 1834 (unaccepted)
Species Unio percoarctatus I. Lea, 1857 (unaccepted)
Species Unio perdix I. Lea, 1834 (unaccepted)
Species Unio perlatus I. Lea, 1863 (unaccepted)
Species Unio perlucens I. Lea, 1863 (unaccepted)
Species Unio permiscens I. Lea, 1859 (unaccepted)
Species Unio pernodosus I. Lea, 1845 (unaccepted)
Species Unio perovalis Conrad, 1834 (unaccepted)
Species Unio perovatus Conrad, 1834 (unaccepted)
Species Unio perpastus I. Lea, 1861 (unaccepted)
Species Unio perpictus I. Lea, 1860 (unaccepted, synonym)
Species Unio perplexus Say, 1829 (unaccepted)
Species Unio perplexus I. Lea, 1831 (unaccepted)
Species Unio perplicatus Conrad, 1841 (unaccepted)
Species Unio perpurpureus I. Lea, 1861 (unaccepted, original combination)
Species Unio perradiatus I. Lea, 1858 (unaccepted)
Species Unio personatus Say, 1829 (unaccepted)
Species Unio perstriatus I. Lea, 1852 (unaccepted)
Species Unio pertennis de Gregorio, 1914 (unaccepted)
Species Unio pertenuis I. Lea, 1863 (unaccepted)
Species Unio peruviana Lamarck, 1819 (unaccepted)
Species Unio petrinus Gould, 1855 (unaccepted)
Species Unio phaseolus Hildreth, 1828 (unaccepted)
Species Unio philippianus Küster, 1861 (unaccepted, junior synonym)
Species Unio phillipsii Conrad, 1835 (unaccepted)
Species Unio pictus I. Lea, 1834 (unaccepted, original combination)
Species Unio pilaris I. Lea, 1840 (unaccepted)
Species Unio pileus I. Lea, 1831 (unaccepted)
Species Unio pilsbryi Marsh, 1891 (unaccepted)
Species Unio pinei Wright, B.H., 1897 (unaccepted)
Species Unio pinguis I. Lea, 1857 (unaccepted)
Species Unio pinkstonii Wright, S.H., 1897 (unaccepted)
Species Unio placidus Küster, 1862 (unaccepted)
Species Unio placitus I. Lea, 1852 (unaccepted)
Species Unio plancus I. Lea, 1860 (unaccepted, synonym)
Species Unio planicostatus I. Lea, 1860 (unaccepted, synonym)
Species Unio planilateris Conrad, 1838 (unaccepted)
Species Unio planior I. Lea, 1868 (unaccepted)
Species Unio plantii I. Lea, 1857 (unaccepted)
Species Unio planulatus I. Lea, 1829 (unaccepted)
Species Unio planus Barnes, 1823 (unaccepted)
Species Unio pleasii Marsh, 1891 (unaccepted, original combination)
Species Unio plectophorus Conrad, 1849 (unaccepted)
Species Unio plectrophorus Conrad, 1849 (unaccepted)
Species Unio plenus I. Lea, 1840 (unaccepted, original combination)
Species Unio plicata Say, 1817 (unaccepted)
Species Unio politus Conrad, 1837 (unaccepted)
Species Unio polymorphus Wright, B.H., 1899 (unaccepted)
Species Unio popeii I. Lea, 1857 (unaccepted, original combination)
Species Unio popenoi Call, 1885 (unaccepted)
Species Unio porphyreus I. Lea, 1861 (unaccepted, synonym)
Species Unio porrectus Conrad, 1854 (unaccepted)
Species Unio postellii I. Lea, 1858 (unaccepted)
Species Unio poulsoni Conrad, 1834 (unaccepted)
Species Unio powellii I. Lea, 1852 (unaccepted)
Species Unio praelongus Barnes, 1823 (unaccepted)
Species Unio prasinatus Conrad, 1866 (unaccepted)
Species Unio prasinus Conrad, 1834 (unaccepted)
Species Unio prattii I. Lea, 1858 (unaccepted, synonym)
Species Unio premorsus Rafinesque, 1831 (unaccepted)
Species Unio pressus I. Lea, 1842 (unaccepted)
Species Unio prevostianus I. Lea, 1852 (unaccepted, synonym)
Species Unio productus Conrad, 1836 (unaccepted)
Species Unio propecoelatus de Gregorio, 1914 (unaccepted)
Species Unio propesulcatus de Gregorio, 1914 (unaccepted)
Species Unio propeverutus de Gregorio, 1914 (unaccepted)
Species Unio propinquus I. Lea, 1857 (unaccepted)
Species Unio proprius I. Lea, 1865 (unaccepted, synonym)
Species Unio protensus I. Lea, 1865 (unaccepted)
Species Unio protovittatus Hale & Tindale, 1930 (unaccepted, junior synonym)
Species Unio protractus Lindholm, 1922 (unaccepted)
Species Unio proximus I. Lea, 1852 (unaccepted, synonym)
Species Unio pudicus I. Lea, 1860 (unaccepted)
Species Unio pugio Benson, 1862 (unaccepted, original combination)
Species Unio pulcher I. Lea, 1838 (unaccepted, synonym)
Species Unio pullatis I. Lea, 1856 (unaccepted, incorrect original spelling)
Species Unio pullatus I. Lea, 1856 (unaccepted)
Species Unio pullescens I. Lea, 1845 (unaccepted, incorrect original spelling)
Species Unio pullus Conrad, 1838 (unaccepted)
Species Unio pulvinulus I. Lea, 1845 (unaccepted)
Species Unio pumilus I. Lea, 1838 (unaccepted)
Species Unio punctatus I. Lea, 1865 (unaccepted, original combination)
Species Unio puniceus Haldeman, 1842 (unaccepted, synonym)
Species Unio purpurascens Lamarck, 1819 (unaccepted)
Species Unio purpurata Lamarck, 1819 (unaccepted)
Species Unio purpurellus I. Lea, 1857 (unaccepted)
Species Unio purpureus Say, 1817 (unaccepted)
Species Unio purpuriatus Say, 1831 (unaccepted, original combination)
Species Unio purus I. Lea, 1858 (unaccepted)
Species Unio pusillus I. Lea, 1840 (unaccepted)
Species Unio pustulata Swainson, 1840 (unaccepted)
Species Unio pustulatus I. Lea, 1831 (unaccepted)
Species Unio pustulosus I. Lea, 1831 (unaccepted, original combination)
Species Unio pybasii I. Lea, 1858 (unaccepted)
Species Unio pygmaeus I. Lea, 1852 (unaccepted)
Species Unio pyramidatus I. Lea, 1831 (unaccepted)
Species Unio pyriformis I. Lea, 1857 (unaccepted)
Species Unio quadrans I. Lea, 1860 (unaccepted)
Species Unio quadratus I. Lea, 1859 (unaccepted)
Species Unio quadrilaterus I. Lea, 1863 (unaccepted)
Species Unio quadrulus (Rafinesque, 1820) (unaccepted)
Species Unio quintardii Cragin, 1887 (unaccepted)
Species Unio radians I. Lea, 1857 (unaccepted, synonym)
Species Unio radiatus (Gmelin, 1791) (unaccepted)
Species Unio radiolus I. Lea, 1871 (unaccepted)
Species Unio radiosus I. Lea, 1871 (unaccepted)
Species Unio raeensis I. Lea, 1859 (unaccepted)
Species Unio rafinesquei Vanatta, 1915 (unaccepted)
Species Unio raleighensis I. Lea, 1863 (unaccepted)
Species Unio rangianus I. Lea, 1838 (unaccepted, original combination)
Species Unio rariplicata Lamarck, 1819 (unaccepted)
Species Unio rarisulcata Lamarck, 1819 (unaccepted)
Species Unio ratidotus Charmes, 1885 (unaccepted, original combination)
Species Unio ratus I. Lea, 1872 (unaccepted)
Species Unio raveneli Conrad, 1834 (unaccepted, original combination)
Species Unio ravenelianus I. Lea, 1834 (unaccepted)
Species Unio reclusus Wright, B.H., 1898 (unaccepted)
Species Unio recta Lamarck, 1819 (unaccepted)
Species Unio rectus (Lamarck, 1819) (unaccepted)
Species Unio recurvatus I. Lea, 1871 (unaccepted)
Species Unio reeveianus I. Lea, 1852 (unaccepted)
Species Unio refulgens I. Lea, 1868 (unaccepted, original combination)
Species Unio regularis I. Lea, 1841 (unaccepted, synonym)
Species Unio retusa Lamarck, 1819 (unaccepted)
Species Unio rhombula Lamarck, 1819 (unaccepted)
Species Unio ribeiroi Fontannes, 1883 † (unaccepted)
Species Unio riddellii I. Lea, 1862 (unaccepted)
Species Unio ridibundus Say, 1829 (unaccepted)
Species Unio rivicolus Conrad, 1868 (unaccepted)
Species Unio rivularis Conrad, 1853 (unaccepted)
Species Unio roanokensis I. Lea, 1838 (unaccepted, original combination)
Species Unio rochechouartii Heude, 1875 (unaccepted, original combination)
Species Unio rosaceus DeKay, 1843 (unaccepted)
Species Unio rosaceus Conrad, 1849 (unaccepted)
Species Unio rostellum I. Lea, 1872 (unaccepted)
Species Unio rostraeformis I. Lea, 1856 (unaccepted)
Species Unio rostratus Lamarck, 1819 (unaccepted)
Species Unio rostrum I. Lea, 1862 (unaccepted)
Species Unio roswellensis I. Lea, 1858 (unaccepted)
Species Unio rotulatus Wright, B.H., 1899 (unaccepted)
Species Unio rotundata Lamarck, 1819 (unaccepted)
Species Unio rotundatus (Lamarck, 1819) (unaccepted)
Species Unio rubellinus I. Lea, 1857 (unaccepted)
Species Unio rubellus Conrad, 1834 (unaccepted)
Species Unio rubidus I. Lea, 1861 (unaccepted)
Species Unio rubiginosus I. Lea, 1829 (unaccepted)
Species Unio rudis Conrad, 1837 (unaccepted)
Species Unio rufus I. Lea, 1857 (unaccepted)
Species Unio rufusculus I. Lea, 1852 (unaccepted)
Species Unio rugosus Barnes, 1823 (unaccepted)
Species Unio rumphianus I. Lea, 1852 (unaccepted)
Species Unio rusticus I. Lea, 1856 (unaccepted, junior synonym)
Species Unio rutersvillensis I. Lea, 1859 (unaccepted, synonym)
Species Unio rutilans I. Lea, 1856 (unaccepted, synonym)
Species Unio saccatus Küster, 1862 (unaccepted)
Species Unio saccellus Drouet & Chaper, 1892 (unaccepted, junior synonym)
Species Unio sacculus Reeve, 1864 (unaccepted)
Species Unio sacellus Simpson, 1900 (unaccepted, in error for Unio saccellus Drouet & Chaper, 1892)
Species Unio sageri Conrad, 1836 (unaccepted)
Species Unio sagittiformis I. Lea, 1852 (unaccepted)
Species Unio saladoensis Lea, 1860 (unaccepted, original combination)
Species Unio salebrosus I. Lea, 1859 (unaccepted)
Species Unio sampsonii I. Lea, 1862 (unaccepted)
Species Unio santeensis I. Lea, 1871 (unaccepted)
Species Unio sapperi Ihering, 1901 (unaccepted, original combination)
Species Unio satillaensis I. Lea, 1858 (unaccepted)
Species Unio satur I. Lea, 1852 (unaccepted, original combination)
Species Unio savannahensis I. Lea, 1857 (unaccepted)
Species Unio saxeus Conrad, 1838 (unaccepted, synonym)
Species Unio sayii Ward in Tappan, 1839 (unaccepted)
Species Unio scalenius (Rafinesque, 1820) (unaccepted)
Species Unio schoolcraftensis I. Lea, 1834 (unaccepted)
Species Unio schrencki Westerlund, 1897 (unaccepted)
Species Unio scitulus I. Lea, 1860 (unaccepted, synonym)
Species Unio scobinatus Lea, 1856 (unaccepted, original combination)
Species Unio scutum G.B. Sowerby II, 1868 (unaccepted, original combination)
Species Unio securiformis Conrad, 1849 (unaccepted)
Species Unio securis I. Lea, 1829 (unaccepted)
Species Unio semidecoratus Morlet, 1889 (unaccepted, junior synonym)
Species Unio semiplicatus Küster, 1862 (unaccepted)
Species Unio semirugata Lamarck, 1819 (unaccepted, original combination)
Species Unio shepardianus I. Lea, 1834 (unaccepted, original combination)
Species Unio showalterii I. Lea, 1860 (unaccepted)
Species Unio siamensis Morlet, 1889 (unaccepted, junior synonym)
Species Unio siliquoideus Barnes, 1823 (unaccepted, original combination)
Species Unio similis I. Lea, 1857 (unaccepted)
Species Unio simplex I. Lea, 1845 (unaccepted)
Species Unio simpsoni Wright, B.H., 1888 (unaccepted)
Species Unio simulans I. Lea, 1871 (unaccepted)
Species Unio simus I. Lea, 1838 (unaccepted, original combination)
Species Unio singleyanus Marsh, 1891 (unaccepted, synonym)
Species Unio singularis Wright, B.H., 1899 (unaccepted)
Species Unio sinuatus Lamarck, 1819 (unaccepted)
Species Unio sloatianus I. Lea, 1840 (unaccepted, original combination)
Species Unio smaragdinus Anton, 1838 (unaccepted, junior synonym)
Species Unio smithii Gray in Griffith & Pidgeon, 1833 (unaccepted, junior synonym)
Species Unio soboles Fischer, 1891 (unaccepted, junior synonym)
Species Unio soleniformis I. Lea, 1831 (unaccepted)
Species Unio solidus I. Lea, 1838 (unaccepted)
Species Unio sordidis I. Lea, 1852 (unaccepted, incorrect original spelling)
Species Unio sordidus I. Lea, 1852 (unaccepted)
Species Unio sowerbianus I. Lea, 1834 (unaccepted)
Species Unio spadiceus I. Lea, 1857 (unaccepted)
Species Unio sparsus Küster, 1861 (unaccepted)
Species Unio sparsus I. Lea, 1841 (unaccepted, original combination)
Species Unio sparus I. Lea, 1868 (unaccepted, synonym)
Species Unio spatulatus I. Lea, 1845 (unaccepted, synonym)
Species Unio speciosus I. Lea, 1862 (unaccepted)
Species Unio sphaericus I. Lea, 1868 (unaccepted)
Species Unio spillmanii I. Lea, 1861 (unaccepted)
Species Unio spinosus (I. Lea, 1836) (unaccepted, recombination)
Species Unio spissus I. Lea, 1859 (unaccepted)
Species Unio squalidus I. Lea, 1863 (unaccepted)
Species Unio squameus I. Lea, 1862 (unaccepted)
Species Unio stabilis I. Lea, 1861 (unaccepted)
Species Unio stagnalis Conrad, 1849 (unaccepted, synonym)
Species Unio stagnorum Dautzenberg, 1890 (unaccepted, original combination)
Species Unio stapes I. Lea, 1831 (unaccepted, original combination)
Species Unio stewardsonii I. Lea, 1852 (unaccepted)
Species Unio stonensis I. Lea, 1840 (unaccepted)
Species Unio stramineus Conrad, 1834 (unaccepted, original combination)
Species Unio striatissimus Anthony, 1865 (unaccepted)
Species Unio striatulus I. Lea, 1857 (unaccepted)
Species Unio striatus I. Lea, 1840 (unaccepted)
Species Unio strictiplicatus Noulet, 1864 † (unaccepted)
Species Unio strigosus I. Lea, 1840 (unaccepted)
Species Unio strodeanus Wright, B.H., 1898 (unaccepted)
Species Unio strumosus I. Lea, 1872 (unaccepted)
Species Unio strumosus I. Lea, 1874 (unaccepted)
Species Unio stuhlmanni von Martens, 1897 (unaccepted, original combination)
Species Unio subangulatus I. Lea, 1840 (unaccepted, original combination)
Species Unio subcroceus Conrad, 1854 (unaccepted)
Species Unio subcylindraceus I. Lea, 1874 (unaccepted)
Species Unio subellipsis I. Lea, 1856 (unaccepted, synonym)
Species Unio subflavus I. Lea, 1857 (unaccepted)
Species Unio subgibbosus I. Lea, 1857 (unaccepted)
Species Unio subglobatus I. Lea, 1871 (unaccepted)
Species Unio subglobosus I. Lea, 1834 (unaccepted)
Species Unio subinflatus (Conrad, 1835) (unaccepted)
Species Unio sublatus I. Lea, 1857 (unaccepted)
Species Unio subluridus Simpson, 1892 (unaccepted)
Species Unio subniger I. Lea, 1857 (unaccepted)
Species Unio subolivaceus I. Lea, 1874 (unaccepted)
Species Unio suborbiculata Lamarck, 1819 (unaccepted)
Species Unio subovatus I. Lea, 1831 (unaccepted)
Species Unio subparallelus I. Lea, 1872 (unaccepted)
Species Unio subplanus Conrad, 1837 (unaccepted)
Species Unio subrostratus Say, 1831 (unaccepted, original combination)
Species Unio subrotundus I. Lea, 1831 (unaccepted, original combination)
Species Unio subsquamosus I. Lea, 1872 (unaccepted)
Species Unio subtentus Say, 1825 (unaccepted)
Species Unio subteritus (Say, 1825) (unaccepted)
Species Unio subtontus Say, 1825 (unaccepted)
Species Unio subtrigonus Noulet, 1864 † (unaccepted)
Species Unio subviridis Conrad, 1835 (unaccepted)
Species Unio succissus I. Lea, 1852 (unaccepted, original combination)
Species Unio sudus I. Lea, 1857 (unaccepted, synonym)
Species Unio sulcatus I. Lea, 1829 (unaccepted)
Species Unio sulcidens Lamarck, 1819 (unaccepted)
Species Unio sumatrensis I. Lea, 1859 (unaccepted, junior synonym)
Species Unio superiorensis Marsh, 1897 (unaccepted)
Species Unio suttoni Wright, B.H., 1897 (unaccepted)
Species Unio swainsoni Sowerby, 1868 (unaccepted)
Species Unio swananoensis Hanley, 1843 (unaccepted)
Species Unio swordianus Wright, S.H., 1897 (unaccepted)
Species Unio symmetricus I. Lea, 1845 (unaccepted)
Species Unio taeniatus Conrad, 1834 (unaccepted, original combination)
Species Unio tahetianus (I. Lea, 1834) (unaccepted)
Species Unio taitianus I. Lea, 1834 (unaccepted, original combination)
Species Unio tamaulipasensis Crosse & P. Fischer, 1894 (unaccepted)
Species Unio tampicoensis I. Lea, 1838 (unaccepted, original combination)
Species Unio tanganyicensis E. A. Smith, 1880 (unaccepted, junior synonym)
Species Unio tappanianus I. Lea, 1838 (unaccepted)
Species Unio taumilapanus Conrad, 1855 (unaccepted)
Species Unio tavoyensis Gould, 1843 (unaccepted, original combination)
Species Unio tecomatensis I. Lea, 1841 (unaccepted)
Species Unio tecomensis (I. Lea, 1841) (unaccepted, incorrect subsequent spelling)
Species Unio tellicoensis I. Lea, 1872 (unaccepted)
Species Unio tenebricus I. Lea, 1857 (unaccepted, synonym)
Species Unio tenebrosus Conrad, 1834 (unaccepted)
Species Unio tener I. Lea, 1840 (unaccepted, synonym)
Species Unio tenerus Simpson, 1892 (unaccepted, synonym)
Species Unio tennesseensis I. Lea, 1840 (unaccepted, synonym)
Species Unio tenuisculus Frierson, 1911 (unaccepted)
Species Unio tenuissimus (I. Lea, 1829) (unaccepted, recombination)
Species Unio tesserulae I. Lea, 1862 (unaccepted)
Species Unio tetralasmus Say, 1831 (unaccepted)
Species Unio tetricus I. Lea, 1857 (unaccepted)
Species Unio texasensis I. Lea, 1857 (unaccepted, incorrect subsequent spelling)
Species Unio texasiensis I. Lea, 1857 (unaccepted)
Species Unio thaiensis Habe, 1964 (unaccepted, junior synonym)
Species Unio thorntonii I. Lea, 1857 (unaccepted)
Species Unio thorntonii Lea, 1857 (unaccepted)
Species Unio tinkeri Wright, B.H., 1899 (unaccepted)
Species Unio topekaensis I. Lea, 1868 (unaccepted, synonym)
Species Unio tortivus I. Lea, 1840 (unaccepted)
Species Unio tortuosus Sowerby, 1868 (unaccepted)
Species Unio trabalis Conrad, 1834 (unaccepted, original combination)
Species Unio tracheae Kobelt & Rolle, 1895 (unaccepted)
Species Unio trapezoides I. Lea, 1831 (unaccepted)
Species Unio triangularis Barnes, 1823 (unaccepted)
Species Unio trigonus I. Lea, 1831 (unaccepted)
Species Unio trinacrus I. Lea, 1861 (unaccepted)
Species Unio triumphans Wright, B.H., 1898 (unaccepted)
Species Unio troostensis I. Lea, 1834 (unaccepted, original combination)
Species Unio troschelianus I. Lea, 1852 (unaccepted)
Species Unio trosculus I. Lea, 1843 (unaccepted, incorrect original spelling)
Species Unio trossulus I. Lea, 1843 (unaccepted, synonym)
Species Unio tryoni Wright, B.H., 1888 (unaccepted)
Species Unio tuberculatus Barnes, 1823 (unaccepted)
Species Unio tuberosus I. Lea, 1840 (unaccepted)
Species Unio tumescens I. Lea, 1845 (unaccepted)
Species Unio tumidulus I. Lea, 1856 (unaccepted, junior synonym)
Species Unio tuomeyi I. Lea, 1852 (unaccepted)
Species Unio turgidulus I. Lea, 1858 (unaccepted)
Species Unio turgidus I. Lea, 1838 (unaccepted)
Species Unio tuscumbiensis I. Lea, 1871 (unaccepted)
Species Unio uber Conrad, 1866 (unaccepted)
Species Unio uhareensis I. Lea, 1868 (unaccepted)
Species Unio umbrans I. Lea, 1857 (unaccepted, original combination)
Species Unio umbrosus I. Lea, 1856 (unaccepted, original combination)
Species Unio umbrosus I. Lea, 1857 (unaccepted, synonym)
Species Unio undatus Barnes, 1823 (unaccepted)
Species Unio undulata Say, 1817 (unaccepted)
Species Unio undulatus Barnes, 1823 (unaccepted)
Species Unio unicolor I. Lea, 1845 (unaccepted, original combination)
Species Unio unicostatus Wright, B.H., 1899 (unaccepted, original combination)
Species Unio upsonii Marsh, 1887 (unaccepted)
Species Unio utriculus I. Lea, 1845 (unaccepted)
Species Unio validus I. Lea, 1871 (unaccepted)
Species Unio vallatus I. Lea, 1868 (unaccepted)
Species Unio vanuxemensis I. Lea, 1838 (unaccepted, original combination)
Species Unio varicosa Lamarck, 1819 (unaccepted)
Species Unio varicosus I. Lea, 1831 (unaccepted)
Species Unio vaughanianus I. Lea, 1838 (unaccepted, original combination)
Species Unio velatus Conrad, 1854 (unaccepted)
Species Unio velum Say, 1829 (unaccepted)
Species Unio ventricosus Barnes, 1823 (unaccepted)
Species Unio venustus I. Lea, 1838 (unaccepted, synonym)
Species Unio veracruzensis I. Lea, 1868 (unaccepted)
Species Unio veraepacis Tristram, 1863 (unaccepted)
Species Unio verbecki Martens, 1897 (unaccepted, junior synonym)
Species Unio verrucosa Barnes, 1823 (unaccepted, incorrect gender ending)
Species Unio verrucosus Barnes, 1823 (unaccepted)
Species Unio verus I. Lea, 1861 (unaccepted)
Species Unio verutus I. Lea, 1859 (unaccepted)
Species Unio vesicularis I. Lea, 1872 (unaccepted, synonym)
Species Unio vestitus I. Lea, 1862 (unaccepted)
Species Unio vibex Conrad, 1834 (unaccepted, original combination)
Species Unio vicinus I. Lea, 1856 (unaccepted)
Species Unio villosus Wright, B.H., 1898 (unaccepted, original combination)
Species Unio violaceus Spengler, 1793 (unaccepted)
Species Unio virens I. Lea, 1857 (unaccepted)
Species Unio virescens I. Lea, 1858 (unaccepted, original combination)
Species Unio virginiana Lamarck, 1819 (unaccepted)
Species Unio viridans I. Lea, 1859 (unaccepted)
Species Unio viridicatus I. Lea, 1857 (unaccepted)
Species Unio viridiradiatus I. Lea, 1859 (unaccepted)
Species Unio viridulus I. Lea, 1863 (unaccepted)
Species Unio vittatus I. Lea, 1859 (unaccepted, junior synonym)
Species Unio vulcanus Hanley, 1876 (unaccepted, original combination)
Species Unio waccamawensis I. Lea, 1863 (unaccepted)
Species Unio waikarensis Colenso, 1845 (unaccepted)
Species Unio walkeri Wright, S.H., 1897 (unaccepted)
Species Unio waltoni Wright, B.H., 1888 (unaccepted)
Species Unio wardii I. Lea, 1862 (unaccepted)
Species Unio websterii Wright, B.H., 1888 (unaccepted)
Species Unio weldonensis I. Lea, 1863 (unaccepted)
Species Unio wheatleyi I. Lea, 1857 (unaccepted)
Species Unio whiteianus I. Lea, 1852 (unaccepted)
Species Unio wilsonii I. Lea, 1859 (unaccepted, original combination)
Species Unio woodwardius I. Lea, 1857 (unaccepted)
Species Unio yadkinensis I. Lea, 1872 (unaccepted)
Species Unio zambesiensis Preston, 1905 (unaccepted, junior synonym)
Species Unio zeiglerianus I. Lea, 1838 (unaccepted, synonym)
Species Unio zigzag I. Lea, 1829 (unaccepted)

Subgenus Unio (Crassiana) Servain, 1882
marine, brackish, fresh, terrestrial
masculine
Retzius A.J. (1788). <i>Dissertatio historico-naturalis sistens nova testaceorum genera. Quam præside D. M. Andr. J. Retzio (...) ad publicum examen defert Laurentius Münter Philipsson</i>. 4+23 pp. Lund. , available online at http://gdz.sub.uni-goettingen.de/dms/load/img/?PID=PPN581964985|LOG_0001&physid=PHYS_0004
page(s): 16 [details]   
MolluscaBase (2018). Unio Philipsson, 1788. Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=182707 on 2019-01-20
Date
action
by
2005-09-29 07:51:57Z
created
2006-09-28 06:51:36Z
changed
Martinez, Olga
2008-08-05 07:36:21Z
checked
2012-07-02 14:26:34Z
changed
2016-11-10 16:47:38Z
changed
2017-11-13 22:17:32Z
changed

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


original description Retzius A.J. (1788). <i>Dissertatio historico-naturalis sistens nova testaceorum genera. Quam præside D. M. Andr. J. Retzio (...) ad publicum examen defert Laurentius Münter Philipsson</i>. 4+23 pp. Lund. , available online at http://gdz.sub.uni-goettingen.de/dms/load/img/?PID=PPN581964985|LOG_0001&physid=PHYS_0004
page(s): 16 [details]   
 



LanguageName 
English freshwater mussels  [details]
German Flussmuscheln  [details]