Laguna Mountain springsnail

The Laguna Mountain springsnail (Pyrgulopsis californiensis) is a species of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae.

Laguna Mountain springsnail
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily:
Rissooidea
Family:
Hydrobiidae
Genus:
Pyrgulopsis
Species:
P. californiensis
Binomial name
Pyrgulopsis californiensis
(Gregg & Taylor, 1965)

This species' natural habitat is streams. It is endemic to Campo Creek, San Diego County, California, United States.[1]

Description

P. californiensis is a small snail that has a height of 3.3–4.6 millimetres (0.13–0.18 in) and elongate-conic shell. Its differentiated from other Pyrgulopsis in that its penial filament has an elongate lobe and elongate filament with the penial ornament consisting of an elongate penial gland; large, curved, transverse terminal gland; and several ventral glands.[1]

References
  1. Hershler, Robert (1994). A Review of the North American Freshwater Snail Genus Pyrgulopsis (Hydrobiidae). Washington, DC: Smithsonian Institution Press.


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