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Punctum randolphi
Dorsal, ventral, and apertural views of a shell of Punctum randolphi CM85566. Scale bar is 1mm.
Scientific classification
Kingdom:
Phylum:
Class:
(unranked):
clade Heterobranchia
informal group Pulmonata
clade Eupulmonata
clade Stylommatophora
Superfamily:
Family:
Genus:
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

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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

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Punctum randolphi is found in British Colombia, Washington, Oregon, and Idaho.

References

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  1. ^ 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.