Tropidoptera
Tropidoptera is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae.
Description
The shell is umbilicated, depressed, thin, or fragile, with a translucent horny-brown coloration.The whorls are finely and densely striated, with the body whorl sharply keeled at the periphery and distinctly carinated around the umbilicus. The aperture is oblique and toothless, with a thin, simple lip.
Distribution
It is endemic to the Hawaiian Islands.Species
Species within the genus Tropidotera include:Tropidoptera alata Tropidoptera discus Tropidoptera heliciformis Tropidoptera rex- ''Tropidoptera wesleyi''