Ustronia
Encyclopedia
Ustronia is a genus
of land snail
s with an operculum
, terrestrial
gastropod mollusks in the family Helicinidae
.
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....
.
Species
Species within the genus Ustronia include:- Ustronia acuminata (Velazquez in Poey, 1852)
- Ustronia sloaneiUstronia sloaneiUstronia sloanei is a species of an operculate land snail, terrestrial gastropod mollusk in the family Helicinidae.- Ecology :Ustronia sloanei is a rock dwelling species....
(d’Orbigny, 1842)