Punctum randolphi
From Wikipedia the free encyclopedia
| Punctum randolphi | |
|---|---|
 | |
| Dorsal, ventral, and apertural views of a shell of Punctum randolphi, CM85566, Scale bar is 1 mm. | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| 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
[edit]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
[edit]Punctum randolphi is found in North America, in British Columbia, Washington, Oregon, and Idaho.
References
[edit]- ^ 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.