Punctum randolphiiPunctum randolphii is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae, the dot snails.Shell descriptionThe diameter of the shell of Punctum randolphii is between 1.25 and 1.4 mm wide. The exterior surface has a very faint sculpture of radial striae. The aperture of Punctum randolphii is wide and somewhat oblique. The umbilicus is small and deep.DistributionPunctum randolphii is found in North America, in British Columbia, Washington, Oregon, and Idaho.