Amastra melanosis
Amastra melanosis is a species of land snail, a terrestrial pulmonate gastropod mollusc in the family Amastridae.
;Subspecies:Amastra melanosis kauensis Pilsbry & C. M. Cooke, 1915
- ''Amastra melanosis melanosis''
Description
The shell is dextral, thin, and conically depressed, with an acute apex. It consists of five rounded whorls, with the body whorl noticeably inflated. The suture is well-impressed, and the aperture is subrotund. The outer lip is simple and thin, while the straight white columella ends in a distinctly oblique plait.The shell is uniformly black in color.