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Pyrgulopsis bryantwalkeri

From Wikipedia, the free encyclopedia

Cortez Hills pebblesnail
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Hydrobiidae
Genus: Pyrgulopsis
Species:
P. bryantwalkeri
Binomial name
Pyrgulopsis bryantwalkeri
(Hershler, 1994)

Pyrgulopsis bryantwalkeri, the Cortez Hills pebblesnail, is a species of minute freshwater snail with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae.

This species' natural habitat is springs. It is endemic to a spring in the Cortez foot-hills, Elko County, Nevada, United States.[1]

Description

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Pyrgulopsis bryantwalkeri is a small snail that has a height of 1.5–3.2 millimetres (0.059–0.126 in) and globose to ovate-conic shell. Its differentiated from other Pyrgulopsis in that its penial filament has a very weak lobe and short filament with the penial ornament consisting of a weakly developed terminal gland.[1]

References

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