Generally 2.2-2.7 mm in height. Shell broadly oval; the body whorl accounts for nearly two-thirds of the total height; aperture relatively large and triangular with an indented outer margin; 4 - 5 well-defined apertural teeth, 1 parietal, 1 columella, and 2 palatal, the palatals linked by a callus.Shell yellowish- or reddish-brown, glossy and tranlucent.
Calcareous fens and marshes; often at the edges of lowland rivers and lakes. Normally lives close to the ground on sedges and grasses but may also be found on taller marsh vegetation such as Phragmites and Alnus. Not tolerant of human disturbance.