Amphicoelina subobvoluta
Amphicoelina omphalospira is a species of air-breathing snail in the family Camaenidae.
Description
The length of the shell attains 4 mm, its diameter 8.5 mm.In contrast to Helicodonta obvoluta, this species exhibits a smaller overall size, a comparatively larger umbilicus, a reduced number of whorls, and an aperture that is less subangular, especially in its lower region, which is consistently rounded. Despite a general resemblance to the aforementioned species, it is readily distinguishable by the aforementioned differential features.