| Physa skinneri | |
|---|---|
 | |
| Physa skinneri, live | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Superorder: | Hygrophila |
| Family: | Physidae |
| Genus: | Physa |
| Species: | P. skinneri |
| Binomial name | |
| Physa skinneri Taylor, 1954 | |
Physa skinneri, common name the glass physa, is a species of freshwater snail, an aquatic gastropod mollusc in the family Physidae.
The shell of Physa skinneri is thin, narrowly ovoid, to ovoid-fusiform, with an obtusely rounded apex. The spire is blunt with up to four weakly convex whorls separated by a shallow, broadly elongated suture. Maximum shell length is about 8.8 mm (5.2 mm wide). The aperture is about 60% of the overall shell length, elongate-oval, rounded anteriorly, acute posteriorly, widest about a third of the length from the anterior end. Outer lip thin, sharp, sometimes with a white band of callus thickening within, convex in the direction of growth. [1]
This species occurs in:
Physidae, commonly called the bladder snails, is a family of small air-breathing freshwater snails, aquatic pulmonate gastropod molluscs in the superfamily Lymnaeoidea.
Physa is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod molluscs in the subfamily Physinae of the family Physidae.
The Snake River physa snail, scientific name Physella natricina, is a species of freshwater snail, an aquatic gastropod mollusk in the family Physidae. This species is endemic to Idaho in the United States.
Stenophysa marmorata is a species of air-breathing freshwater snail, an aquatic gastropod mollusk in the family Physidae.
Dwight Willard Taylor (1932–2006) was an American malacologist and paleontologist, a researcher on mollusks. His undergraduate work was at the University of California, Berkeley and his PhD was from Harvard University.
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