Description: A member of the aquatic snail family, medium-sized,
2.1 - 3.6 mm (to 0.14 in.) in length and 1.5 - 2.2 mm (to 0.09 in.) in width. Shell narrow-conic to turriform, filament and lobe of medium length. Penial ornament a small terminal gland with a very small (sometimes absent) penial gland. This springsnail completes its life cycle in one year.
Diet: Feeds on algae.
Habitat: Spring ecosystems with permanent flow of highly oxygenated water. The water must also be highly mineralized but relatively unpolluted.
Range: Endemic to the Spring Mountains. First collected in 1995 from Horseshutem Spring in Nye County, Nevada. In Clark County, Nevada, known to occur in Lost Creek, Willow Creek, Cold Creek, Grapevine Springs, and La Madre Spring.
Comments: The MSHCP includes two Evaluation Species of the same genus: the Moapa pebblesnail (Pyrgulopsis avernalis) and the Moapa turban snail (Pyrgulopsis carinifera).