Greenbrier cavesnail
Encyclopedia
The Greenbrier cavesnail, scientific name Fontigens turritella, is a species
of very small or minute freshwater snail
with an operculum
, an aquatic gastropod mollusk in the family
Hydrobiidae
. This species is endemic to the United States
.
The Greenbrier River
Valley (which has many caves), is in West Virginia
.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of very small or minute freshwater snail
Snail
Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...
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...
, an aquatic gastropod mollusk in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Hydrobiidae
Hydrobiidae
Hydrobiidae, common name mud snails, is a large cosmopolitan taxonomic family of very small freshwater snails and brackish water snails that have an operculum, aquatic gastropod mollusks in the clade Littorinimorpha.- Distribution :...
. This species is endemic to the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
.
The Greenbrier River
Greenbrier River
The Greenbrier River is a tributary of the New River, long, in southeastern West Virginia, USA. Via the New, Kanawha and Ohio Rivers, it is part of the watershed of the Mississippi River, draining an area of...
Valley (which has many caves), is in West Virginia
West Virginia
West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...
.