Anostoma ringens
Anostoma ringens is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Tomogeridae.
Description
The length of the shell attains 13 mm, its maximum diameter 24.5 mm.The shell is subglobose, with an obsolete keel. It is imperforate, smooth, and whitish. All the whorls are distinguished by a red line. The aperture is six-toothed. The lip has a reflected margin and is equipped with a sinus.