Dimorphoptychia

Dimorphoptychia
Dimorphoptychia
Temporal range: Eocene[1]
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Neritimorpha
clade Cycloneritimorpha
Superfamily: Helicinoidea
Family: Helicinidae
Subfamily: † Dimorphoptychiinae
Genus: † Dimorphoptychia
Sandberger, 1871[2]

Dimorphoptychia is an extinct genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.[3]

Dimorphoptychia is the type genus of the subfamily Dimorphoptychiinae.[3]

Species

Species within the genus Dimorphoptychia include:

  • Dimorphoptychia? changzhouensis Yu, 1977 [1]

References

  1. ^ Solem A. (1983). "Lost or kept internal whorls: ordinal differences in land snails". Journal of Molluscan Studies 49(supp12A) 172-178. abstract.
  2. ^ Sandberger (1871). Land- u. Süssw.-Conch. Vorwelt, 149.
  3. ^ a b Bouchet P., Rocroi J.-P., Frýda J., Hausdorf B., Ponder W., Valdés Á. & Warén A. (2005). "Classification and nomenclator of gastropod families". Malacologia: International Journal of Malacology (Hackenheim, Germany: ConchBooks) 47 (1-2): 1–397. ISBN 3925919724. ISSN 0076-2997. http://www.archive.org/details/malacologia47122005inst. 
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