Punctum blandianum


Punctum blandianum is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Punctidae, the dot snails.

Shell description

The shell of P. blandianum is between 1.1 and 1.3 mm wide. The outer shell surface has a sculpture of radial striae, which are obvious under magnification. The umbilicus is about one third the width of the shell.

Distribution

This species is found in the United States, in the states of Tennessee, Virginia and Alabama.

Habitat

Population sizes of Punctum blandianum have been observed to be five times larger on highly acidic sites than on basic sites.