Amastra soror
Amastra soror is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Amastridae.
;Subspecies:Amastra soror interjecta Hyatt & Pilsbry, 1911Amastra soror laticeps Hyatt & Pilsbry, 1911
- ''Amastra soror soror''
Description
The length of the shell attains 11.6 mm.The shell is sinistral and conically turreted, comprising seven rounded whorls with a deeply impressed suture. The aperture is small and subovate, with a simple outer lip. The columella is very short, ending in a twisted plicate tooth.
The thin epidermis is dark corneous on the upper portion and light corneous below.