Dimorphoptychia

Dimorphoptychia is an extinct genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.

Dimorphoptychia is the type genus of the subfamily Dimorphoptychiinae, which is likewise fully extinct today.

Species
Species within the genus Dimorphoptychia include:
 * Dimorphoptychia? changzhouensis Yu, 1977