• Uaru Heckel, 1840
• Uaru amphiacanthoides Heckel, 1840
• Uaru fernandezyepezi Stawikowski, 1989
• Uaru obscurum Günther, 1862 accepted as Uaru amphiacanthoides Heckel, 1840
• Uarus Cope, 1872 accepted as Uaru Heckel, 1840
• Uarus centrarchoides Cope, 1872 accepted as Heros efasciatus Heckel, 1840
• Uba [sic] † accepted as Uber R. A. Philippi, 1853 accepted as Polinices Montfort, 1810
• Uba fallai Fletcher, 1938 † accepted as Polinices fallai (Fletcher, 1938) †
• Ubaghsia Jullien, 1886 †
• Ubaghsia aurita (Lang, 1916) †
• Ubaghsia coaxans (Lang, 1916) †
• Ubaghsia crassa (Lang, 1916) †
• Ubaghsia demorgani (Jullien, 1886) †
• Ubaghsia gasteri Larwood, 1962 †
• Ubaghsia langi Larwood, 1962 †
• Ubaghsia meudonensis (Jullien, 1886) †
• Ubaghsia ocellata (Jullien, 1886) †
• Ubaghsia ornata (Goldfuss, 1826) †
• Ubaghsia perforata (Marsson, 1887) †
• Ubaghsia ranunculus (Lang, 1916) †
• Ubaghsia reticulata (Ubaghs, 1865) †
• Ubaghsia tragica Taylor & McKinney, 2006 †
• Ubaghsia ultima (Voigt, 1925) †
• Uber R. A. Philippi, 1853 accepted as Polinices Montfort, 1810
• Uber (Euspira) Agassiz, 1837 accepted as Euspira Agassiz, 1837
• Uber (Euspira) barrierensis Marwick, 1924 accepted as Uberella barrierensis (Marwick, 1924)
• Uber (Euspira) firmus Marwick, 1924 † accepted as Magnatica (Spelaenacca) firma (Marwick, 1924) † represented as Magnatica firma (Marwick, 1924) †
• Uber (Euspira) fyfei Marwick, 1924 † accepted as Euspira fyfei (Marwick, 1924) †
• Uber (Euspira) lateapertus Marwick, 1924 † accepted as Euspira lateaperta (Marwick, 1924) †
• Uber (Euspira) pukeuriensis Marwick, 1924 † accepted as Uberella pukeuriensis (Marwick, 1924) †
• Uber (Neverita) Risso, 1826 accepted as Neverita Risso, 1826
• Uber (Neverita) pontis Marwick, 1924 † accepted as Neverita pontis (Marwick, 1924) †
• Uber chattonensis Marwick, 1924 † accepted as Polinices chattonensis (Marwick, 1924) †
• Uber esdailei Marwick, 1924 † accepted as Polinella esdailei (Marwick, 1924) †
• Uber finlayi Marwick, 1924 † accepted as Darwinices finlayi (Marwick, 1924) †
• Uber incertus Marwick, 1924 † accepted as Polinella incerta (Marwick, 1924) †
• Uber kaawaensis Marwick, 1924 † accepted as Proxiuber kaawaense (Marwick, 1924) †
• Uber labyrintheum Hedley, 1924 accepted as Polinices citrinus (R. A. Philippi, 1851)
• Uber laxus H. J. Finlay, 1926 † accepted as Polinices laxus (Finlay, 1926) †
• Uber lobatus Marwick, 1924 † accepted as Polinices lobatus (Marwick, 1924) †
• Uber mellosum Hedley, 1924 accepted as Polinices mellosus (Hedley, 1924)
• Uber modestus Marwick, 1924 † accepted as Polinella modesta (Marwick, 1924) †
• Uber mucronatus Marwick, 1924 † accepted as Polinices mucronatus (Marwick, 1924) †
• Uber obstructus Marwick, 1924 † accepted as Polinella obstructa (Marwick, 1924) †
• Uber ovuloides Marwick, 1924 † accepted as Polinella obstructa (Marwick, 1924) †
• Uber pateaensis Marwick, 1924 † accepted as Polinices waipipiensis (Marwick, 1924) †
• Uber propeovatus Marwick, 1924 † accepted as Polinices propeovatus (Marwick, 1924) †
• Uber scalptus Marwick, 1924 † accepted as Pliconacca scalpta (Marwick, 1924) †
• Uber schepmani H. J. Finlay, 1927 accepted as Natica arachnoidea (Gmelin, 1791)
• Uber senisculus Marwick, 1924 † accepted as Taniella senisculus (Marwick, 1924) †
• Uber subjugum Cotton, 1947 † accepted as Polinices subjugus (Cotton, 1947) †
• Uber unisulcatus Marwick, 1924 † accepted as Polinices unisulcatus (Marwick, 1924) †
• Uber waipaensis Marwick, 1924 † accepted as Polinices waipaensis (Marwick, 1924) †
• Uber waipipiensis Marwick, 1924 † accepted as Polinices waipipiensis (Marwick, 1924) †
• Uberella H. J. Finlay, 1928
• Uberella acerva Laws, 1933 † accepted as Tahunacca acerva (Laws, 1933) †
• Uberella alacris Dell, 1956
• Uberella barrierensis (Marwick, 1924)
• Uberella cicatricella Marwick, 1965 † accepted as Pliconacca cicatricella (Marwick, 1965) †
• Uberella cicatrix Marwick, 1931 † accepted as Pliconacca cicatrix (Marwick, 1931) †
• Uberella denticulifera (Marwick, 1924)
• Uberella keyesi Marwick, 1965 †
• Uberella maesta (Marwick, 1924) †
• Uberella marwicki A. W. B. Powell, 1935 †
• Uberella pseudovitrea (H. J. Finlay, 1924) †
• Uberella pukeuriensis (Marwick, 1924) †
• Uberella simulans (E. A. Smith, 1906)
• Uberella vitrea (F. W. Hutton, 1873)
• Uberlandiodesmus Schubart, 1960
• Uberlandiodesmus guimarai Schubart, 1960
• Ubiaea J.Gay ex J.Gay (uncertain > unassessed)
• Ubiaea schimperi (Sch.Bip.) A.Rich. accepted as Haplocarpha schimperi (Sch.Bip.) Beauverd
• Ubiaea schimperi J.Gay (uncertain > unassessed)
• Ubidia Miles, 1945 accepted as Apteronotus Lacepède, 1800
• Ubidia magdalenensis Miles, 1945 accepted as Apteronotus magdalenensis (Miles, 1945)
• Ubiquitarion Hyman, Lamborena & Köhler, 2017
• Ubiquitarion iridis (Hyman, 2007)
• Ubius Kesteven, 1913
• Ubius hilli Kesteven, 1913
• Uca Latreille, 1819 accepted as Ucides Rathbun, 1897
• Uca Leach, 1814
• Uça Latreille, 1819 accepted as Uca Latreille, 1819 accepted as Ucides Rathbun, 1897
• Uca (Afruca) Crane, 1975 accepted as Afruca Crane, 1975
• Uca (Afruca) tangeri (Eydoux, 1835) accepted as Afruca tangeri (Eydoux, 1835)
• Uca (Amphiuca) Crane, 1975 accepted as Paraleptuca Bott, 1973
• Uca (Amphiuca) chlorophthalma H. Milne Edwards, 1837 accepted as Paraleptuca chlorophthalmus (H. Milne Edwards, 1837)
• Uca (Amphiuca) chlorophthalma crassipes (White, 1847) accepted as Paraleptuca crassipes (White, 1847)
• Uca (Australuca) Crane, 1975 accepted as Tubuca Bott, 1973
• Uca (Australuca) bellator (White, 1847) accepted as Tubuca bellator (White, 1847)
• Uca (Australuca) bellator minima Crane, 1975 accepted as Tubuca signata (Hess, 1865)
• Uca (Australuca) longidigitum (Kingsley, 1880) accepted as Tubuca longidigitum (Kingsley, 1880)
• Uca (Australuca) polita Crane, 1975 accepted as Tubuca polita (Crane, 1975)
• Uca (Australuca) seismella Crane, 1975 accepted as Tubuca seismella (Crane, 1975)
• Uca (Australuca) signata (Hess, 1865) accepted as Tubuca signata (Hess, 1865)
• Uca (Austruca) Bott, 1973 accepted as Austruca Bott, 1973
• Uca (Austruca) albimana (Kossmann, 1877) accepted as Austruca albimana (Kossmann, 1877)
• Uca (Austruca) annulipes (H. Milne Edwards, 1837) accepted as Austruca annulipes (H. Milne Edwards, 1837)
• Uca (Austruca) cryptica Naderloo, Türkay & Chen, 2010 accepted as Austruca cryptica (Naderloo, Türkay & Chen, 2010)
• Uca (Austruca) iranica Pretzmann, 1971 accepted as Austruca iranica (Pretzmann, 1971)
• Uca (Austruca) lactea (De Haan, 1835) accepted as Austruca lactea (De Haan, 1835)