Plesielliptio postbiplicatus (Whitfield, 1903)
Plesielliptio stantoni (White, 1905)
+ Unio danae White, 1877
+ Unio gibbosoides Whitfield, 1907
Plesielliptio whitfieldi Russell, 1976
+ Unio vetusta Whitfield, 1903
Plethobasus aesopiformis (Whitfield, 1903)
Plethobasus biesopoides (Whitfield, 1907)
Pleurobema cryptorhynchus (White, 1877)
Proparreysia barnumi (Pilsbry, 1904)
+ Unio browni Whitfield, 1903
Proparreysia corbiculoides (Whitfield, 1907)
Proparreysia holmesiana (White, 1877)
Proparreysia letsoni (Whitfield, 1907)
Proparreysia paucinodosa Russell, 1976
Proparreysia percorrugata (Whitfield, 1903)
Proparreysia pyramidatoides (Whitfield, 1907)
Proparreysia pyramidella (Whitfield, 1907)
Proparreysia retusoides (Whitfield, 1903)
Proparreysia verrucosiformis (Whitfield, 1903)
Quadrula cylindricoides (Whitfield, 1907)
Rhabdotophorus aldrichi (White, 1878)
Rhabdotophorus declivis (Russell, 1934)
Unio subtrigonalis Whitfield, 1903
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