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 | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| 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]
References
- Mollusc Specialist Group (1996). "Pyrgulopsis davisi". IUCN Red List of Threatened Species. 1996: e.T18965A8759680. doi:10.2305/IUCN.UK.1996.RLTS.T18965A8759680.en. Retrieved 16 November 2021.
- Hershler, Robert (1994). A Review of the North American Freshwater Snail Genus Pyrgulopsis (Hydrobiidae). Washington, DC: Smithsonian Institution Press.