Punctum randolphi is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae, the dot snails.
Punctum randolphi | |
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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
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Binomial name | |
Punctum randolphi Dall, 1895
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Shell description
editThe 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
editPunctum 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.