Allogona profunda (Say, 1821) | 
Allogona ptychophora (A.D. Brown, 1870) | 
Allogona townsendiana (Lea, 1838) |
Ashmunella rhyssa (Dall, 1897) | 
Cryptomastix devia (Gould, 1846) | 
Cryptomastix hendersoni (Pilsbry, 1928) |
Cryptomastix mullani hemphilli Binney, 1886 | 
Cryptomastix mullani latilabris Pilsbry, 1940 | 
Cryptomastix mullani mullani (Bland & Cooper, 1861) |
Cryptomastix mullani olneyae (Pilsbry, 1891) | 
Daedalochila auriculata (Say, 1818) | 
Daedalochila dorfeuilliana (Lea, 1838) |
Daedalochila hausmani (Jackson, 1948) | 
Daedalochila hippocrepis (L. Pfeiffer, 1848) | 
Daedalochila peregrina (Rehder, 1932) |
Daedalochila plicata (Say, 1821) | 
Daedalochila sp. 213137 | 
Daedalochila uvulifera (Shuttleworth, 1852) |
Daedalochila uvulifera bicornuta (Pilsbry, 1900) | 
Daedalochila uvulifera striata (Pilsbry, 1940) | 
Euchemotrema hubrichtii Pilsbry, 1940 |
Euchemotrema leai (A. Binney, 1841) | 
Inflectarius inflectus (Say, 1821) | 
Inflectarius rugeli (Shutleworth, 1852) |
Inflectarius smithi (Clapp, 1905) | 
Linisa rhoadsi (Pilsbry, 1899) | 
Linisa texasiana (Moricand, 1833) |
Lobosculum pustuloides (Bland, 1858) | 
Mesodon andrewsae Binney, 1879 | 
Mesodon appressus (Say, 1821) |
Mesodon chilhoweensis (Lewis, 1870) | 
Mesodon clausus (Say, 1821) | 
Mesodon elevatus (Say, 1821) |
Mesodon perigraptus Pilsbry, 1894 | 
Mesodon roemeri (Pfeiffer, 1848) | 
Mesodon sanus (Clench & Archer, 1933) |
Mesodon thyroidus (Say, 1817) | 
Mesodon thyroidus bucculentus (A. Gould, 1848) | 
Mesodon weatherbyi (Blandi, 1873) |
Mesodon wetherbyi (Bland, 1873) | 
Mesodon zelatus (A.Binney, 1837) | 
Neohelix albolabris (Say, 1816) |
Neohelix alleni (Wetherby, 1883) | 
Patera appressa (Say, 1821) | 
Patera binneyana (Pilsbry, 1899) |
Patera clenchi (Rehder, 1932) | 
Patera laevior (Hubricht, 1968) | 
Patera sargentianus (Johnson & Pilsbry, 1892) |
Polygyra acutedentata (Binney, 1858) | 
Polygyra avara Say, 1818 | 
Polygyra cereolus (Muhlfeld, 1818) |
Polygyra dysoni (Shuttleworth, 1852) | 
Polygyra latispira Pilsbry, 1896 | 
Polygyra mooreana (Binney, 1857) |
Polygyra plana bahamensis Vanatta, 1919 | 
Polygyra septemvolva Say, 1818 | 
Polygyra septemvolva volvoxis (Pfeiffer, 1846) |
Polygyrella polygyrella (Bland & J.G.Cooper, 1861) | 
Praticolella berlandieriana (Moricand, 1833) | 
Praticolella candida Hubricht, 1983 |
Praticolella griseola Pfeiffer, 1841 | 
Praticolella leucorhaphe Pfeiffer, 1841 | 
Praticolella sp. 193190 |
Stenotrema angellum Hubricht, 1958 | 
Stenotrema cavum (Pilsbry & Vanatta, 1911) | 
Stenotrema deceptum (Clapp, 1905) |
Stenotrema exodon (Pilsbry, 1893) | 
Stenotrema hirsutum (Say, 1817) | 
Stenotrema labrosum (Bland, 1862) |
Stenotrema monodon aliciae (Pilsbry, 1893) | 
Stenotrema monodon leaii Ward, 1878 | 
Stenotrema pilsbryi (Ferriss, 1900) |
Stenotrema spinosum (Lea, 1830) | 
Stenotrema stenotrema (Pfeiffer, 1842) | 
Stenotrema uniferum (Pilsbry, 1900) |
Trilobopsis loricata (Gould, 1846) | 
Triodopsis caroliniensis (Lea, 1834) | 
Triodopsis denotata (Ferussac, 1821) |
Triodopsis discoidea (Pilsbry, 1894) | 
Triodopsis fraudulenta (Pilsbry, 1894) | 
Triodopsis hopetonensis (Shuttleworth, 1852) |
Triodopsis tridentata (Say, 1816) | 
Triodopsis vultuosa (Gould, 1848) | 
Vespericola armigera (Ancey, 1881) |
Vespericola columbiana (Lea, 1838) | 
Vespericola megasoma ("Dall" Pilsbry, 1928) | 
Webbhelix multilineata (Say, 1821) |
Xolotrema caroliniense (Lea, 1831) | 
Xolotrema fosteri (F.C.Baker, 1921) | 
Xolotrema obstrictum (Say, 1821) |
