Allogona profunda (Say, 1821) | 
Daedalochila plicata (Say, 1821) | 
Inflectarius inflectus (Say, 1821) |
Inflectarius rugeli (Shutleworth, 1852) | 
Inflectarius smithi (Clapp, 1905) | 
Mesodon andrewsae Binney, 1879 |
Mesodon chilhoweensis (Lewis, 1870) | 
Mesodon clausus (Say, 1821) | 
Mesodon elevatus (Say, 1821) |
Mesodon perigraptus Pilsbry, 1894 | 
Mesodon sanus (Clench & Archer, 1933) | 
Mesodon weatherbyi (Blandi, 1873) |
Mesodon wetherbyi (Bland, 1873) | 
Mesodon zelatus (A.Binney, 1837) | 
Neohelix albolabris (Say, 1816) |
Patera appressa (Say, 1821) | 
Stenotrema angellum Hubricht, 1958 | 
Stenotrema deceptum (Clapp, 1905) |
Stenotrema exodon (Pilsbry, 1893) | 
Stenotrema spinosum (Lea, 1830) | 
Stenotrema stenotrema (Pfeiffer, 1842) |
Triodopsis denotata (Ferussac, 1821) | 
Triodopsis fraudulenta (Pilsbry, 1894) | 
Triodopsis tridentata (Say, 1816) |
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