Dimorphoptychia

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

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 the type genus of the subfamily Dimorphoptychiinae, which is likewise fully extinct today.[3]

Species

Species within the genus Dimorphoptychia include:

  • Dimorphoptychia? changzhouensis Yu, 1977

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. Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. Hackenheim, Germany: ConchBooks. 47 (1–2): 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.


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