Classification of the family Helminthoglyptidae

Fm. †Helminthoglyptidae Pilsbry 1939
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G. †Glypterpes Pilsbry 1893
G. Lysinoe Adams and Adams 1855
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†Lysinoe breedlovei Roth 1984
G. Polymita Beck 1837 [painted snail]
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†Polymita texana Roth 1984
G. Xerarionta Pilsbry 1913 [cactus snail]
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