Dimorphoptychia
Encyclopedia
Dimorphoptychia is an extinct genus
of land snail
s with an operculum
, terrestrial
gastropod mollusks in the family Helicinidae
.
Dimorphoptychia is the type genus
of the subfamily Dimorphoptychiinae.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of land snail
Land snail
A land snail is any of the many species of snail that live on land, as opposed to those that live in salt water and fresh water. Land snails are terrestrial gastropod mollusks that have shells, It is not always an easy matter to say which species are terrestrial, because some are more or less...
s with an operculum
Operculum (gastropod)
The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...
, terrestrial
Terrestrial animal
Terrestrial animals are animals that live predominantly or entirely on land , as compared with aquatic animals, which live predominantly or entirely in the water , or amphibians, which rely on a combination of aquatic and terrestrial habitats...
gastropod mollusks in the family Helicinidae
Helicinidae
Helicinidae is a family of small tropical land snails which have an operculum. They are terrestrial operculate gastropod mollusks in the superfamily Helicinoidea....
.
Dimorphoptychia is the type genus
Type genus
In biological classification, a type genus is a representative genus, as with regard to a biological family. The term and concept is used much more often and much more formally in zoology than it is in botany, and the definition is dependent on the nomenclatural Code that applies:* In zoological...
of the subfamily Dimorphoptychiinae.
Species
Species within the genus Dimorphoptychia include:- Dimorphoptychia? changzhouensis Yu, 1977 http://159.226.74.248:8000/bbzl_view.jsp?wztm=%BD%AD%CB%D5%CD%ED%B0%D7%DB%D1%CA%C0%BC%B0%D0%C2%C9%FA%B4%FA%B8%B9%D7%E3%C0%E0%BB%AF%CA%AF