Davis County springsnail

The Davis County springsnail, scientific name Pyrgulopsis davisi, is a species of small freshwater snails with a gill and an operculum, aquatic gastropod mollusk in the family Hydrobiidae.

Davis County springsnail
Conservation status
Data Deficient  (IUCN 2.3)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Hydrobiidae
Genus:	Pyrgulopsis
Species:	P. davisi
Binomial name
Pyrgulopsis davisi Taylor, 1987

This species' natural habitat is streams. It is endemic to a tributary of Limpia Creek about 5 miles (8.0 km) northeast of Fort Davis, Texas, United States.^[2]

Description

Pyrgulopsis davisi is a small snail that has a height of 1.8–2.6 millimetres (0.071–0.102 in) and an ovate to narrowly conic, medium-sized shell. Its differentiated from other Pyrgulopsis in that its penial filament has a medium length lobe and medium length filament with the penial ornament consisting of an elongate, proximally bifurcate, penial gland; curved, transverse terminal and ventral glands.^[2]