| Cortez Hills pebblesnail | |
|---|---|
Scientific 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
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
- 1 2 Hershler, Robert (1994). A Review of the North American Freshwater Snail Genus Pyrgulopsis (Hydrobiidae). Washington, DC: Smithsonian Institution Press.
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