Planorbis septemgyratus Rossmässler, 1835 Anisus septemgyratus is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.

Glöer (2002)[2] considered Anisus septemgyratus (Rossmässler, 1835) as a junior synonym of Anisus leucostoma (Millet, 1813).

Later Glöer & Meier-Brook (2008)[3] used name Anisus septemgyratus again.

Horsák et al. (2013)[4] consider Anisus calculiformis (Sandberger, 1874) as a synonym of Anisus septemgyratus.

This species occurs in countries and islands including: The number of prostate diverticles ranges from 30 to more than 50.