Punctum randolphi
| Punctum randolphi | |
|---|---|
 | |
| Dorsal, ventral, and apertural views of a shell of Punctum randolphi, CM85566, Scale bar is 1 mm. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia clade Euthyneura clade Panpulmonata clade Eupulmonata clade Stylommatophora |
| Superfamily: | Punctoidea |
| Family: | Punctidae |
| Genus: | Punctum |
| Species: | P. randolphi |
| Binomial name | |
| Punctum randolphi Dall, 1895 | |
Punctum randolphi is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae, the dot snails.
Shell description
The diameter of the shell of Punctum randolphi is between 1.25 and 1.4 mm wide. The exterior surface has a very faint sculpture of radial striae. The aperture of Punctum randolphi is wide and somewhat oblique. The umbilicus is small and deep.[1]
Distribution
Punctum randolphi is found in North America, in British Columbia, Washington, Oregon, and Idaho.
References
- ↑ Pilsbry H.A. 1948. Land Mollusca of North America (North of Mexico). The Academy of Natural Sciences of Philadelphia, Monographs, 3, vol. 2 part 2: 521-1113.
This article is issued from Wikipedia - version of the Wednesday, January 09, 2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.