Pyrgulopsis carinifera
Pyrgulopsis carinifera is a species of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae.
| Pyrgulopsis carinifera | |
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| Species: | P. carinifera |
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| Pyrgulopsis carinifera (Hershler, Liu & Gustafson, 2008) | |
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This species' natural habitat is springs. It is endemic to springs in the Moapa Valley, southern Nevada, United States.[1]
Description
P. carinifera is a small snail that has a height of 3.8–5.0 millimetres (0.15–0.20 in) and a trochoid shell. Its differentiated from other Pyrgulopsis in that its penial filament has a medium, distally bifurcated lobe and medium length filament with the penial ornament consisting of a fragmented terminal gland.[1]
Genus transfer
P. carinifera was originally described as Fluminicola avernalis carinifera in 1935. In 1994, it was transferred to the genus Pyrgulopsis.[1]
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References
- Hershler, Robert (1994). A Review of the North American Freshwater Snail Genus Pyrgulopsis (Hydrobiidae). Washington, DC: Smithsonian Institution Press.
- Hershler, Robert; Liu, Hsiu-Ping; Gustafson, Daniel L. (November 2008). "A second species of Pyrgulopsis (Hydrobiidae) from the Missouri River basin, with molecular evidence supporting faunal origin through Pliocene stream capture across the northern continental divide". Journal of Molluscan Studies. 74 (4): 403–413. doi:10.1093/mollus/eyn028. – via EBSCO's Academic Search Complete (subscription required)
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