Classification of the family Polygyridae

Fm. Polygyridae Pilsbry 1895
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G. Daedalochila Beck 1837
G. †Euchemotrema Archer 1939
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Euchemotrema occidaneum Roth and Emberton 1994
G. Patera Albers 1850
G. Polygyra Say 1818
G. Triodopsis Rafinesque 1819