Pyrgulopsis castaicensis

Pyrgulopsis castaicensis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda; clade Hypsogastropoda; clade Littorinimorpha
Superfamily:	Rissooidea
Family:	Hydrobiidae
Subfamily:
Genus:	Pyrgulopsis
Species:	P. castaicensis
Binomial name
	Pyrgulopsis castaicensis; Hershler & Liu, 2010

Pyrgulopsis castaicensis is a species of very small freshwater snail with an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.^[1]

Distribution[]

Pyrgulopsis castaicensis occurs in only one spring in the upper part of the Santa Clara River basin, in southwestern California.^[1]

^ ^a ^b ^c Hershler R. Liu H.-P. (25 January 2010). "Two new, possibly threatened species of Pyrgulopsis (Gastropoda: Hydrobiidae) from southwestern California". Zootaxa 2343: 1-17, 8 plates. preview.

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