Davis County springsnail
| Davis County springsnail | |
|---|---|
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) | |
| Synonyms[3] | |
| |
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.
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.[4]
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.[4]
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.
- ↑ NatureServe. "Pyrgulopsis davisi". NatureServe Explorer. Arlington, Virginia. Retrieved 6 April 2026.
- ↑ Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O (eds.). "Pyrgulopsis davisi (D. W. Taylor, 1987)". MolluscaBase. World Register of Marine Species. Retrieved 27 April 2026.
- 1 2 Hershler, Robert (1994). A Review of the North American Freshwater Snail Genus Pyrgulopsis (Hydrobiidae). Washington, DC: Smithsonian Institution Press.