• Afrophaxas decipiens (E. A. Smith, 1904)
• Aulus fasciatus Dunker, 1868 accepted as Siliqua fasciata (Spengler, 1794)
• Aulus grayanus Dunker, 1862 accepted as Siliqua grayana (Dunker, 1862)
• Aulus rostratus Dunker, 1862 accepted as Siliqua rostrata (Dunker, 1862)
• Aulus winterianus Dunker, 1852 accepted as Neosiliqua winteriana (Dunker, 1852)
• Biapholius spinosus Leach, 1822 accepted as Hiatella arctica (Linnaeus, 1767)
• Byssomia crispa Danilo & Sandri, 1856 accepted as Hiatella arctica (Linnaeus, 1767)
• Byssomya fragilis O. G. Costa, 1843 accepted as Coralliophaga lithophagella (Lamarck, 1819)
• Byssomya guerinii Payraudeau, 1826 accepted as Coralliophaga lithophagella (Lamarck, 1819)
• Capistrocardia fragilis Tate, 1887 †
• Cardiomorpha gymnitum Kittl, 1904 † (uncertain > unassessed)
• Cardiomorpha gymnitum nyaanangensis Z.-M. Zhang, 1976 † (uncertain > unassessed)
• Cardiomorpha oblonga (J. de C. Sowerby, 1825) †
• Cardiomorpha tulongensis Z.-M. Zhang, 1976 † (uncertain > unassessed)
• Clisocolus dubius (Gabb, 1864) †
• Clisocolus penjicus Sinelnikova, 1997 † (uncertain > unassessed)
• Cultellus (Cultrensis) adriaticus Coen, 1933 accepted as Phaxas pellucidus (Pennant, 1777)
• Cultellus (Ensiculus) philippianus Dunker, 1877 accepted as Cultellus philippianus Dunker, 1877
• Cultellus albidus G. B. Sowerby II, 1874 accepted as Siliqua minima (Gmelin, 1791)
• Cultellus aspersus Clessin, 1888
• Cultellus attenuatus Dunker, 1862
• Cultellus australis Dunker, 1862 accepted as Ensiculus australis (Dunker, 1862)
• Cultellus belcheri G. B. Sowerby II, 1874
• Cultellus brongniarti Deshayes, 1866 †
• Cultellus cladarus Bayan, 1873 † accepted as Phaxas cladarus (Bayan, 1873) †
• Cultellus cultellus (Linnaeus, 1758) accepted as Ensiculus cultellus (Linnaeus, 1758)
• Cultellus cumingianus Dunker, 1862 accepted as Ensiculus cumingianus (Dunker, 1862)
• Cultellus cuphus Cossmann, 1886 †
• Cultellus decipiens E. A. Smith, 1904 accepted as Afrophaxas decipiens (E. A. Smith, 1904)
• Cultellus grayanus (Dunker, 1862) accepted as Siliqua grayana (Dunker, 1862)
• Cultellus grignonensis Deshayes, 1856 †
• Cultellus hanleyi Dunker, 1861 accepted as Siliqua albida (A. Adams & Reeve, 1850)
• Cultellus lividus Dunker, 1862 accepted as Ensiculus cultellus (Linnaeus, 1758)
• Cultellus magnus Schumacher, 1817 accepted as Cultellus maximus (Gmelin, 1791)
• Cultellus marmoratus Dunker, 1862 accepted as Ensiculus marmoratus (Dunker, 1862)
• Cultellus maximus (Gmelin, 1791)
• Cultellus pellucidus (Pennant, 1777) accepted as Phaxas pellucidus (Pennant, 1777)
• Cultellus philippianus Dunker, 1877
• Cultellus politus Dunker, 1862 accepted as Sinupharus africanus (Chenu, 1843)
• Cultellus scalpellum G. B. Sowerby II, 1874
• Cultellus scalprum (Gould, 1850) accepted as Cultellus subellipticus Dunker, 1862
• Cultellus subcylindricus Clessin, 1888
• Cultellus subellipticus Dunker, 1862
• Cultellus subsulcatus G. B. Sowerby II, 1874 (uncertain > nomen dubium)
• Cultellus tenerior (Hedley, 1914)
• Cultellus tenuis (Gray, 1834) accepted as Sinupharus africanus (Chenu, 1843)
• Cultellus vitreus Dunker, 1862
• Cultrensis adriaticus (Coen, 1933) accepted as Phaxas pellucidus (Pennant, 1777)
• Cyrtodaria camdenensis Dall, 1920 accepted as Cyrtodaria kurriana Dunker, 1861
• Cyrtodaria kurriana Dunker, 1861
• Cyrtodaria siliqua (Spengler, 1793)
• Didonta bicarinata Schumacher, 1817 accepted as Hiatella arctica (Linnaeus, 1767)
• Edmondia shuichengensis B.-L. Tian & L.-W. Zhang, 1980 † (uncertain > unassessed)
• Edmondia unioniformis (Phillips, 1836) †
• Ensatella europaea Swainson, 1840 accepted as Ensis ensis (Linnaeus, 1758)
• Ensiculus australis (Dunker, 1862)
• Ensiculus cultellus (Linnaeus, 1758)
• Ensiculus cumingianus (Dunker, 1862)
• Ensiculus marmoratus (Dunker, 1862)
• Ensiculus philippianus (Dunker, 1877) accepted as Cultellus philippianus Dunker, 1877
• Ensis americanus (A. Gould, 1870) accepted as Ensis leei M. Huber, 2015
• Ensis arcuatus (Jeffreys, 1865) accepted as Ensis magnus Schumacher, 1817
• Ensis arcuatus var. directus (Conrad, 1844) accepted as Ensis leei M. Huber, 2015
• Ensis arcuatus var. ensoides Van Urk, 1964 accepted as Ensis magnus Schumacher, 1817
• Ensis arcuatus var. norvegica Van Urk, 1964 accepted as Ensis magnus Schumacher, 1817
• Ensis californicus Dall, 1899
• Ensis complanatus J. de C. Sowerby, 1844 † (uncertain > unassessed)
• Ensis coseli Vierna, 2014 accepted as Ensis megistus coseli Vierna, 2014
• Ensis coseli coseli Vierna, 2014 accepted as Ensis megistus coseli Vierna, 2014
• Ensis coseli megistus Pilsbry & T. L. McGinty, 1943 accepted as Ensis megistus megistus Pilsbry & T. L. McGinty, 1943
• Ensis directus (Conrad, 1844) †
• Ensis directus (Conrad, 1844) sensu Abbott, 1954 accepted as Ensis leei M. Huber, 2015
• Ensis ensis (Linnaeus, 1758)
• Ensis goreensis (Clessin, 1888)
• Ensis leei M. Huber, 2015
• Ensis luzonicus Dunker, 1862 accepted as Ensis macha (Molina, 1782)
• Ensis macha (Molina, 1782)
• Ensis magnus Schumacher, 1817
• Ensis megistus Pilsbry & T. L. McGinty, 1943
• Ensis megistus coseli Vierna, 2014
• Ensis megistus megistus Pilsbry & T. L. McGinty, 1943
• Ensis minor (Chenu, 1843)
• Ensis minor Dall, 1899 accepted as Ensis coseli Vierna, 2014 accepted as Ensis megistus coseli Vierna, 2014
• Ensis minor megistus Pilsbry & T. L. McGinty, 1943 accepted as Ensis megistus Pilsbry & T. L. McGinty, 1943
• Ensis minor var. subarcuata van Urk, 1964 accepted as Ensis minor (Chenu, 1843)
• Ensis myrae S. S. Berry, 1954
• Ensis nitidus (Clessin, 1888)
• Ensis phaxoides Van Urk, 1964 accepted as Ensis ensis (Linnaeus, 1758)
• Ensis sicula Van Urk, 1964 accepted as Ensis ensis (Linnaeus, 1758)
• Ensis siculus van Urk, 1964 accepted as Ensis minor (Chenu, 1843)
• Ensis siliqua (Linnaeus, 1758)
• Ensis siliqua var. minor Chenu, 1843 accepted as Ensis minor (Chenu, 1843)
• Ensis terranovensis Vierna & Martínez-Lage, 2012
• Ensis tropicalis Hertlein & A. M. Strong, 1955
• Glycimeris arctica Lamarck, 1818 accepted as Panomya norvegica (Spengler, 1793)
• Glycimeris argentea da Costa, 1778 accepted as Nucula nucleus (Linnaeus, 1758)
• Glycimeris bitruncata Conrad, 1872 accepted as Panopea bitruncata (Conrad, 1872)
• Glycimeris caspica Bosc, 1801 accepted as Mya edentula Pallas, 1771
• Glycimeris estrellana Conrad, 1857 † accepted as Panopea abrupta (Conrad, 1849) †
• Glycimeris incrassata Lamarck, 1801 accepted as Cyrtodaria siliqua (Spengler, 1793)