| 词条 | Dimorphoptychia |
| 释义 |
| name = Dimorphoptychia | fossil_range= {{fossil range|Eocene|ref=[1]}} | image = | image_caption = | regnum = Animalia | phylum = Mollusca | classis = Gastropoda | unranked_superfamilia= clade Neritimorpha clade Cycloneritimorpha | superfamilia = Helicinoidea | familia = Helicinidae | subfamilia = † Dimorphoptychiinae | genus = † Dimorphoptychia | genus_authority = 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, which is likewise fully extinct today.[3] SpeciesSpecies within the genus Dimorphoptychia include:
References1. ^Solem A. (1983). "Lost or kept internal whorls: ordinal differences in land snails". Journal of Molluscan Studies 49(supp12A) 172-178. abstract. {{Taxonbar|from=Q5277760}}{{Helicinidae-stub}}{{paleo-gastropod-stub}}2. ^Sandberger (1871). Land- u. Süssw.-Conch. Vorwelt, 149. 3. ^1 {{Bouchet 2005}} 2 : Helicinidae|Eocene gastropods |
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