Amastra uniplicata is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Amastridae.

[1] The length of the shell can reach 20 mm, its diameter 9 mm The shell is dextral, solid, and elongated oval, occasionally exhibiting a cylindrical form.

The suture is distinctly impressed, and the surface is marked by fine, longitudinal striations.

The aperture is sub-oval and white, featuring a single, elongated, twisted columellar plica within.

The shell's underlying color is a pale ochre-yellow, concealed beneath a dark, black epidermis, which lends it a striking contrast.