MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Thu 22 January 2026
Publication ITIS (2012): summary
Full Citation
ITIS. 2012. Integrated Taxonomic Information System. Available electronically.
Attributed Nominal Species
Unio kirklandianus ‘Lea’ of Authors = Fusconaia subrotunda
‘Lea’ of Authors.
Lea, 1838. Synopsis Fam. Naiades: 23.
Hanley, 1843. Illustr. Descr. Cat. Rec. Bivalve Shells: 203.
ITIS, 2012. ITIS: [web].
(error for Unio kirtlandianus Lea, 1834)
Fusconaia subrotunda lesueriana ITIS, 2012 = Fusconaia subrotunda
‘Lea’ ITIS, 2012. ITIS: [web].
(error for Unio lesueurianus Lea, 1840)
Elliptio macmichaeli Clench & Turner of Authors = Elliptio mcmichaeli
Clench & Turner of Authors.
Haas, 1969. Das Tierreich 88: 232.
ITIS, 2012. ITIS: [web].
(error for Elliptio mcmichaeli Clench & Turner, 1956)
Elliptio monichaeli ITIS, 2012 = Elliptio mcmichaeli
ITIS, 2012. ITIS: [web].
(error for Elliptio mcmichaeli Clench & Turner, 1956)
Megalonaias nicklineana ITIS, 2012 = Megalonaias nickliniana
ITIS, 2012. ITIS: [web].
(error for Unio nicklinianus Lea, 1834)
Dysnomia nodicella ITIS, 2012 = Epioblasma othcaloogensis
ITIS, 2012. ITIS: [web].
(error for Unio modicellus Lea, 1859)
Pleurobema similans Johnson, 1905 = Pleurobema perovatum
Johnson, 1905. Science 31(537): 590.
ITIS, 2012. ITIS: [web].
(error for Unio simulans Lea, 1871)
Unio texasensis ‘Lea’ of Authors = Toxolasma texasiense
‘Lea’ of Authors.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 359.
Lea, 1870. Synopsis Fam. Naiades: 59.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [5].
Pilsbry & Rhoads, 1896. Proc. Acad. Nat. Sci. 48: 505.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 563.
Ortmann, 1915. Nautilus 28(12): 141.
Utterback, 1916. Amer. Midl. Nat. 4(9): 398.
Gordon et al., 1979. Bull. AMU (1979): 35, Table 3.
Cummings & Mayer, 1992. Freshw. Mussels Midwest (5): 134.
Vidrine, 1993. Histr. Distr. Freshw. Mussels LA: 169.
R.I. Johnson, 1999. Occ. Pap. Moll. 6(77): 34.
Bogan, 2010. FADA: [web].
ITIS, 2012. ITIS: [web].
Haag, 2012. N. Amer. Freshw. Mussels: 70 [as ‘Toxolasma texasensis’].
McMurray et al., 2012. Mo. Freshw. Mussels: 57 [as ‘Toxolasma texasense’].
Marshall et al., 2018. Amer. Malac. Bull. 36(1): 44.
(error for Unio texasiensis Lea, 1857)
Taxonomic Opinions
Actinonaias carinata carinata Barnes, 1823 = Ortmanniana ligamentina
Actinonaias ligamentina (Lamarck, 1819) = Ortmanniana ligamentina
Actinonaias pectorosa (Conrad, 1834) = Ortmanniana pectorosa
There are 405 species taxonomic opinions attributed to this publication.
Alasmidonta arcula (I. Lea, 1838)
Alasmidonta atropurpurea (Rafinesque, 1831)
Alasmidonta heterodon (I. Lea, 1830) = Prolasmidonta heterodon
Alasmidonta marginata Say, 1818
Alasmidonta mccordi Athearn, 1964
Alasmidonta raveneliana (I. Lea, 1834)
Alasmidonta robusta Clarke, 1981
Alasmidonta triangulata (I. Lea, 1858)
Alasmidonta undulata (Say, 1817)
Alasmidonta varicosa (Lamarck, 1819)
Alasmidonta viridis (Rafinesque, 1820) = Sulcularia viridis
Alasmidonta wrightiana (Walker, 1901)
Amblema costata Rafinesque, 1832 = Amblema plicata
Amblema elliottii (I. Lea, 1856)
Amblema neislerii (I. Lea, 1858)
Amblema plicata (Say, 1817)
Anodonta beringiana Middendorff, 1851 = Beringiana beringiana
Anodonta californiensis I. Lea, 1852
Anodonta cataracta Say, 1817 = Pyganodon cataracta
Anodonta couperiana I. Lea, 1840 = Utterbackiana couperiana
Anodonta dejecta Lewis, 1875 = Anodonta californiensis
Anodonta gibbosa Say, 1824 = Pyganodon gibbosa
Anodonta grandis grandis Say, 1829 = Pyganodon grandis
Anodonta heardi M.E. Gordon & Hoeh, 1995 = Utterbackiana heardi
Anodonta imbecillis Say, 1829 = Utterbackia imbecillis
Anodonta implicata Say, 1829 = Utterbackiana implicata
Anodonta kennerlyi I. Lea, 1860
Anodonta nuttalliana Lea, 1838
Anodonta oregonensis I. Lea, 1838
Anodonta peggyae Johnson, 1965 = Utterbackia peggyae
Anodonta suborbiculata Say, 1831 = Utterbackiana suborbiculata
Anodontoides ferussacianus (I. Lea, 1834)
Anodontoides radiatus (Conrad, 1834) = Strophitus radiatus
Arcidens confragosus (Say, 1829)
Arkansia wheeleri Ortmann & Walker, 1912 = Arcidens wheeleri
Corbicula fluminalis (O.F. Müller, 1774)
Corbicula fluminea (O.F. Müller, 1774)
Corbicula manilensis Philippi
Cumberlandia monodonta (Say, 1829)
Cyclonaias tuberculata (Rafinesque, 1820)
Cyprogenia aberti (Conrad, 1850)
Cyprogenia stegaria (Rafinesque, 1820)
Cyrtonaias tampicoensis tampicoensis (Lea, 1838) = Mesonaias tampicoensis
Disconaias salinasensis (Simpson, 1908) = Disconaias fimbriata
Dromus dromas dromas (Lea, 1834) = Dromus dromas
Ellipsaria lineolata (Rafinesque, 1820)
Elliptio ahenea (I. Lea, 1843)
Elliptio angustata (I. Lea, 1831)
Elliptio arca (Conrad, 1834)
Elliptio arctata (Conrad, 1834)
Elliptio buckleyi (I. Lea, 1843) = Elliptio jayensis
Elliptio chipolaensis (Walker, 1905)
Elliptio cistellaeformis (Lea, 1863)
Elliptio complanata (Lightfoot, 1786)
Elliptio congaraea (I. Lea, 1831)
Elliptio crassidens (Lamarck, 1819)
Elliptio dariensis (I. Lea, 1842)
Elliptio dilatata (Rafinesque, 1820) = Eurynia dilatata
Elliptio downiei (I. Lea, 1858)
Elliptio errans (I. Lea, 1834) [sic] = Elliptio icterina
Elliptio fisheriana (I. Lea, 1838)
Elliptio folliculata (I. Lea, 1838)
Elliptio fraterna (I. Lea, 1852)
Elliptio hepatica (I. Lea, 1859) = Elliptio icterina
Elliptio hopetonensis (I. Lea, 1838)
Elliptio icterina (Conrad, 1834)
Elliptio jayensis (I. Lea, 1838)
Elliptio judithae Clarke, 1986 = Elliptio roanokensis
Elliptio lanceolata (I. Lea, 1828)
Elliptio lugubris (I. Lea, 1834) = Elliptio icterina
Elliptio marsupiobesa Fuller, 1972
Elliptio mcmichaeli Clench & Turner, 1956
Elliptio monroensis (I. Lea, 1843)
Elliptio nigella (I. Lea, 1852)
Elliptio producta (Conrad, 1836)
Elliptio raveneli (Conrad, 1834) = Elliptio icterina
Elliptio roanokensis (I. Lea, 1838)
Elliptio shepardiana (I. Lea, 1834)
Elliptio spinosa (I. Lea, 1836)
Elliptio steinstansana R.I. Johnson & Clarke, 1983 = Parvaspina steinstansana
Elliptio waccamawensis (I. Lea, 1863) = Elliptio congaraea
Elliptio waltoni (Wright, 1888) = Elliptio ahenea
Elliptoideus sloatianus (I. Lea, 1840)
Epioblasma arcaeformis (I. Lea, 1831)
Epioblasma biemarginata (I. Lea, 1857)
Epioblasma brevidens (I. Lea, 1831)
Epioblasma capsaeformis (I. Lea, 1834)
Epioblasma flexuosa (Rafinesque, 1820)
Epioblasma florentina curtisii (Frierson & Utterback, 1916) = Epioblasma curtisii
Epioblasma florentina florentina (I. Lea, 1857) = Epioblasma florentina
Epioblasma florentina walkeri (Wilson & H.W. Clark, 1914) = Epioblasma walkeri
Epioblasma haysiana (I. Lea, 1834)
Epioblasma lenior (I. Lea, 1842)
Epioblasma lewisii (Walker, 1910)
Epioblasma metastriata (Conrad, 1838)
Epioblasma obliquata obliquata (Rafinesque, 1820) = Epioblasma obliquata
Epioblasma obliquata perobliqua (Conrad, 1836) = Epioblasma perobliqua
Epioblasma othcaloogensis (I. Lea, 1857)
Epioblasma penita (Conrad, 1834)
Epioblasma personata (Say, 1829)
Epioblasma propinqua (I. Lea, 1857)
Epioblasma sampsonii (I. Lea, 1861)
Epioblasma stewardsonii (I. Lea, 1852)
Epioblasma torulosa gubernaculum (Reeve, 1865) = Epioblasma gubernaculum
Epioblasma torulosa rangiana (I. Lea, 1838) = Epioblasma rangiana
Epioblasma torulosa torulosa (Rafinesque, 1820) = Epioblasma torulosa
Epioblasma triquetra (Rafinesque, 1820)
Epioblasma turgidula (I. Lea, 1858)
Eupera cubensis (Prime, 1865)
Eupera singleyi Pilsbry
Fusconaia askewi (Marsh, 1896)
Fusconaia barnesiana (I. Lea, 1838) = Pleuronaia barnesiana
Fusconaia cerina (Conrad, 1838)
Fusconaia cor (Conrad, 1834)
Fusconaia cuneolus (I. Lea, 1840)
Fusconaia ebena (I. Lea, 1831) = Reginaia ebenus
Fusconaia escambia Clench & Turner, 1956
Fusconaia flava (Rafinesque, 1820)
Fusconaia lananensis (Frierson, 1901)
Fusconaia masoni (Conrad, 1834)
Fusconaia ozarkensis (Call, 1887)
Fusconaia subrotunda subrotunda (Lee, 1831) [sic] = Fusconaia subrotunda
Fusconaia succissa (I. Lea, 1852) = Pustulosa succissa
Fusconaia undata Barnes = Fusconaia flava
Glebula rotundata (Lamarck, 1819)
Gonidea angulata (I. Lea, 1838)
Hemistena lata (Rafinesque, 1820)
Lampsilis abrupta (Say, 1831)
Lampsilis altilis (Conrad, 1834) = Hamiota altilis
Lampsilis australis Simpson, 1900 = Hamiota australis
Lampsilis binominata Simpson, 1900
Lampsilis bracteata (Gould, 1855)
Lampsilis cardium Rafinesque, 1820
Lampsilis cariosa (Say, 1817)
Lampsilis dolabraeformis (I. Lea, 1838)
Lampsilis fasciola Rafinesque, 1820
Lampsilis fullerkati R.I. Johnson, 1984 = Lampsilis radiata
Lampsilis haddletoni Athearn, 1964 = Obovaria haddletoni
Lampsilis higginsii (I. Lea, 1857)
Lampsilis hydiana (I. Lea, 1838)
Lampsilis orbiculata Hildreth = Obovaria subrotunda
Lampsilis ornata (Conrad, 1835)
Lampsilis ovata (Say, 1817)
Lampsilis perovalis (Conrad, 1834) = Hamiota perovalis
Lampsilis powellii (I. Lea, 1852)
Lampsilis radiata conspicua (I. Lea, 1872) = Lampsilis radiata
Lampsilis radiata radiata (Gmelin, 1791) = Lampsilis radiata
Lampsilis rafinesqueana Frierson, 1927
Lampsilis reeveiana brevicula (Call, 1887) = Lampsilis reeveiana
Lampsilis reeveiana brittsi Simpson, 1900 = Lampsilis brittsi
Lampsilis reeveiana reeveiana (I. Lea, 1852) = Lampsilis reeveiana
Lampsilis satura (I. Lea, 1852)
Lampsilis siliquoidea (Barnes, 1823)
Lampsilis splendida (I. Lea, 1838)
Lampsilis straminea claibornensis (I. Lea, 1838) = Lampsilis straminea
Lampsilis straminea straminea (Conrad, 1834) = Lampsilis straminea
Lampsilis streckeri Frierson, 1927
Lampsilis subangulata (I. Lea, 1840) = Hamiota subangulata
Lampsilis teres (Rafinesque, 1820)
Lampsilis virescens (I. Lea, 1858)
Lasmigona complanata alabamensis Clarke, 1985 = Pterosyna alabamensis
Lasmigona complanata complanata (Barnes, 1823) = Pterosyna complanata
Lasmigona compressa (I. Lea, 1829) = Platynaias compressa
Lasmigona costata (Rafinesque, 1820)
Lasmigona decorata (I. Lea, 1852) = Platynaias decorata
Lasmigona holstonia (I. Lea, 1838) = Alasminota holstonia
Lasmigona subviridis (Conrad, 1835) = Platynaias subviridis
Lemiox rimosus (Rafinesque, 1831)
Leptodea amphichaena Frierson = Potamilus amphichaenus
Leptodea fragilis (Rafinesque, 1820) = Potamilus fragilis
Leptodea leptodon (Rafinesque, 1820) = Potamilus leptodon
Leptodea ochracea (Say, 1817) = Atlanticoncha ochracea
Lexingtonia subplana (Conrad, 1837) = Fusconaia masoni
Ligumia nasuta (Say, 1817) = Sagittunio nasutus
Ligumia recta (Lamarck, 1819)
Ligumia subrostrata (Say, 1831) = Sagittunio subrostratus
Margaritifera falcata (Gould, 1850)
Margaritifera hembeli (Conrad, 1838)
Margaritifera margaritifera (Linnaeus, 1758)
Margaritifera marrianae R.I. Johnson, 1983
Medionidus acutissimus (I. Lea, 1831)
Medionidus conradicus (I. Lea, 1834)
Medionidus mcglameriae van der Schalie, 1939 = Potamilus fragilis
Medionidus parvulus (I. Lea, 1860)
Medionidus penicillatus (I. Lea, 1857)
Medionidus simpsonianus Walker, 1905
Medionidus walkeri (Wright, 1897)
Megalonaias boykiniana (Lea, 1840) = Megalonaias nervosa
Megalonaias nervosa (Rafinesque, 1820)
Musculium lacustre (Müller, 1774) = Sphaerium lacustre
Musculium partumeium (Say, 1822) = Sphaerium partumeium
Musculium securis (Prime, 1852) = Sphaerium securis
Musculium transversum (Say, 1829) = Sphaerium transversum
Obliquaria reflexa Rafinesque, 1820
Obovaria jacksoniana (Frierson, 1912) = Obovaria arkansasensis
Obovaria olivaria (Rafinesque, 1820)
Obovaria retusa (Lamarck, 1819)
Obovaria rotulata (Wright, 1899) = Reginaia rotulata
Obovaria subrotunda (Rafinesque, 1820)
Obovaria unicolor (I. Lea, 1845)
Pegias fabula (I. Lea, 1838)
Pisidium adamsi Stimpson, 1851 = Euglesa adamsii
Pisidium amnicum (Muller, 1774)
Pisidium casertanum (Poli, 1791) = Euglesa casertana
Pisidium compressum Prime, 1852 = Euglesa compressa
Pisidium conventus Clessin, 1877 = Conventus conventus
Pisidium cruciatum Sterki, 1895
Pisidium dubium (Say, 1817)
Pisidium equilaterale Prime, 1852 = Euglesa equilateralis
Pisidium fallax Sterki, 1896 = Euglesa fallax
Pisidium ferrugineum Prime, 1852 = Euglesa ferruginea
Pisidium henslowanum (Sheppard, 1825) = Euglesa henslowana
Pisidium idahoense E.W. Roper, 1890 = Pisidium idahoensis
Pisidium insigne Gabb, 1868 = Conventus insigne
Pisidium lilljeborgi Clessin, 1886 = Euglesa lilljeborgii
Pisidium milium Held, 1836 = Euglesa milium
Pisidium nitidum Jenyns, 1832 = Euglesa nitida
Pisidium punctatum Sterki, 1895
Pisidium punctiferum (Guppy, 1867)
Pisidium rotundatum Prime, 1852 = Euglesa rotundata
Pisidium sanguinichristi Taylor, 1987
Pisidium subtruncatum Malm, 1855 = Euglesa subtruncata
Pisidium supinum Schmidt, 1850 = Euglesa supina
Pisidium ultramontanum Prime, 1865 = Euglesa ultramontana
Pisidium variabile Prime, 1852 = Euglesa variabilis
Pisidium ventricosum Prime, 1851 = Euglesa ventricosa
Pisidium walkeri Sterki, 1895 = Euglesa walkeri
Plectomerus dombeyanus (Valenciennes, 1827)
Plethobasus cicatricosus (Say, 1829)
Plethobasus cooperianus (I. Lea, 1834)
Plethobasus cyphyus (Rafinesque, 1820)
Pleurobema aldrichianum Goodrich = Pleurobema hanleyianum
Pleurobema altum (Conrad, 1854)
Pleurobema avellanum Simpson, 1900 = Pleurobema rubellum
Pleurobema beadleianum (I. Lea, 1861)
Pleurobema bournianum (I. Lea, 1840) = Pleurobema clava
Pleurobema chattanoogaense (I. Lea, 1858) = Pleurobema decisum
Pleurobema clava (Lamarck, 1819)
Pleurobema coccineum (Conrad, 1834) = Pleurobema sintoxia
Pleurobema collina (Conrad, 1837) = Parvaspina collina
Pleurobema cordatum cordatum (Rafinesque, 1820) = Pleurobema cordatum
Pleurobema curtum (I. Lea, 1859)
Pleurobema decisum (I. Lea, 1831)
Pleurobema flavidulum (I. Lea, 1861) = Pleurobema perovatum
Pleurobema furvum (Conrad, 1834) = Pleurobema rubellum
Pleurobema georgianum (I. Lea, 1841)
Pleurobema gibberum (I. Lea, 1838) = Pleuronaia gibber
Pleurobema hagleri (Frierson, 1900) = Pleurobema rubellum
Pleurobema hanleyianum (I. Lea, 1852)
Pleurobema johannis (I. Lea, 1859) = Pleurobema perovatum
Pleurobema marshalli Frierson, 1927
Pleurobema murrayense (I. Lea, 1868) = Pleurobema stabile
Pleurobema nucleopsis (Conrad, 1849) = Pleurobema georgianum
Pleurobema oviforme (Conrad, 1834)
Pleurobema perovatum (Conrad, 1834)
Pleurobema plenum (I. Lea, 1840)
Pleurobema pyramidatum (I. Lea, 1840) = Pleurobema sintoxia
Pleurobema pyriforme (I. Lea, 1857)
Pleurobema riddellii (I. Lea, 1861)
Pleurobema rubellum (Conrad, 1834)
Pleurobema rubrum (Rafinesque, 1820) = Pleurobema sintoxia
Pleurobema sintoxia (Rafinesque, 1820)
Pleurobema strodeanum (Wright, 1898)
Pleurobema taitianum (I. Lea, 1834)
Pleurobema tombigbeanum Frierson = Pleurobema taitianum
Pleurobema troschelianum (I. Lea, 1852) = Pleurobema georgianum
Pleurobema verum (I. Lea, 1861)
Polymesoda caroliniana (Bosc, 1801)
Polymesoda maritima (d’Orbigny, 1842) = Polymesoda floridana
Popenaias popei (Lea, 1857) = Popenaias popeii
Potamilus alatus (Say, 1817)
Potamilus amphichaenus (Frierson, 1898)
Potamilus capax (Green, 1832)
Potamilus inflatus (I. Lea, 1831)
Potamilus ohiensis (Rafinesque, 1820)
Potamilus purpuratus (Lamarck, 1819)
Ptychobranchus fasciolaris (Rafinesque, 1820)
Ptychobranchus greenii (Conrad, 1834)
Ptychobranchus jonesi (van der Schalie, 1934)
Ptychobranchus occidentalis (Conrad, 1836)
Ptychobranchus subtentum (Say, 1825) = Ptychobranchus subtentus
Pyganodon cataracta (Say, 1817)
Pyganodon fragilis (Lamarck, 1819)
Pyganodon gibbosa (Say, 1824)
Pyganodon grandis (Say, 1829)
Pyganodon lacustris (I. Lea, 1852)
Quadrula apiculata (Say, 1829) = Quadrula quadrula
Quadrula asperata (I. Lea, 1861) = Pustulosa kieneriana
Quadrula aurea (I. Lea, 1859) = Pustulosa pustulosa
Quadrula couchiana (I. Lea, 1860)
Quadrula cylindrica cylindrica (Say, 1817) = Theliderma cylindrica
Quadrula cylindrica strigillata (Wright, 1898) = Theliderma cylindrica
Quadrula fragosa (Conrad, 1835)
Quadrula houstonensis (I. Lea, 1859) = Pustulosa pustulosa
Quadrula intermedia (Conrad, 1836) = Theliderma intermedia
Quadrula metanevra (Rafinesque, 1820) = Theliderma metanevra
Quadrula nodulata (Rafinesque, 1820) = Pustulosa nodulata
Quadrula petrina (Gould, 1855) = Pustulosa petrina
Quadrula pustulosa mortoni (Conrad, 1835) = Pustulosa pustulosa
Quadrula pustulosa pustulosa (I. Lea, 1831) = Pustulosa pustulosa
Quadrula quadrula quadrula (Rafinesque, 1820) = Quadrula quadrula
Quadrula refulgens (I. Lea, 1868) = Pustulosa pustulosa
Quadrula rumphiana (I. Lea, 1852) = Quadrula quadrula
Quadrula sparsa (I. Lea, 1841) = Theliderma sparsa
Quadrula stapes (I. Lea, 1831) = Theliderma stapes
Quadrula tuberosa (I. Lea, 1840) = Theliderma metanevra
Quincuncina burkei Walker, 1922 = Fusconaia burkei
Quincuncina infucata (Conrad, 1834) = Pustulosa infucata
Quincuncina mitchelli (Simpson, 1895) = Fusconaia mitchelli
Simpsonaias ambigua (Say, 1825)
Sphaerium corneum (Linnaeus, 1758)
Sphaerium fabale (Prime, 1852)
Sphaerium nitidum Westerlund, 1876
Sphaerium occidentale (J. Lewis, 1856)
Sphaerium patella (Gould, 1850)
Sphaerium rhomboideum (Say, 1822)
Sphaerium simile (Say, 1817)
Sphaerium striatinum (Lamarck, 1818)
Strophitus connasaugaensis (I. Lea, 1858) = Pseudodontoideus connasaugaensis
Strophitus subvexus (Conrad, 1834) = Pseudodontoideus subvexus
Strophitus undulatus undulatus (Say, 1817) = Strophitus undulatus
Toxolasma corvunculus (I. Lea, 1868)
Toxolasma cylindrellus (I. Lea, 1868)
Toxolasma lividus Rafinesque, 1831 = Toxolasma lividum
Toxolasma mearnsi (Simpson, 1900) = Toxolasma texasiense
Toxolasma parvus (Barnes, 1823) = Toxolasma parvum
Toxolasma paulus (I. Lea, 1840) = Toxolasma paulum
Toxolasma pullus (Conrad, 1838)
Toxolasma texasiensis (I. Lea, 1857) = Toxolasma texasiense
Tritogonia nervosa Rafinesque = Megalonaias nervosa
Tritogonia verrucosa (Rafinesque, 1820) = Quadrula verrucosa
Truncilla cognata (I. Lea, 1860)
Truncilla donaciformis (I. Lea, 1828)
Truncilla macrodon (I. Lea, 1859)
Truncilla truncata Rafinesque, 1820
Uniomerus carolinianus (Bosc, 1801)
Uniomerus declivis (Say, 1831)
Uniomerus excultus (Conrad, 1838) = Uniomerus declivis
Uniomerus obesus (Lea, 1831) = Uniomerus carolinianus
Uniomerus tetralasmus (Say, 1831)
Utterbackia imbecillis (Say, 1829)
Utterbackia peggyae (R.I. Johnson, 1965)
Utterbackia peninsularis Bogan & Hoeh, 1995
Venustaconcha ellipsiformis (Conrad, 1836)
Venustaconcha pleasii (Marsh, 1891)
Villosa amygdala (I. Lea, 1843) = Villosa amygdalum
Villosa arkansasensis (I. Lea, 1862) = Obovaria arkansasensis
Villosa choctawensis Athearn, 1964 = Obovaria choctawensis
Villosa constricta (Conrad, 1838) = Venustaconcha constricta
Villosa delumbis (Conrad, 1834)
Villosa fabalis (I. Lea, 1831) = Paetulunio fabalis
Villosa iris (I. Lea, 1829) = Cambarunio iris
Villosa lienosa (Conrad, 1834) = Leaunio lienosus
Villosa nebulosa (Conrad, 1834) = Cambarunio nebulosus
Villosa ortmanni (Walker, 1925) = Leaunio ortmanni
Villosa perpurpurea (I. Lea, 1861) = Venustaconcha trabalis
Villosa taeniata (Conrad, 1834) = Cambarunio taeniatus
Villosa trabalis (Conrad, 1834) = Venustaconcha trabalis
Villosa vanuxemensis umbrans (I. Lea, 1857) = Leaunio umbrans
Villosa vanuxemensis vanuxemensis (I. Lea, 1838) = Leaunio vanuxemensis
Villosa vaughaniana (I. Lea, 1838) = Sagittunio vaughanianus
Villosa vibex (Conrad, 1834)
Villosa villosa (Wright, 1898)
