Zonitoides kirbyi

Zonitoides kirbyi is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Gastrodontidae.

Description
The altitude of the shell attains 3.4 mm, its diameter 6.3 mm.

Distribution
This species was originally found in Schulze Cave approximately 28 miles northeast of Rocksprings, Edwards County, Texas, USA. Since then it has also been found above the soil surface (epigeal), about the mouth of caves or under logs.