Glöer (2002) considered
Anisus septemgyratus (Rossmässler, 1835) as a
junior synonym of
Anisus leucostoma (Millet, 1813). Later Glöer & Meier-Brook (2008) used name
Anisus septemgyratus again. Horsák et al. (2013) consider
Anisus calculiformis (Sandberger, 1874) as a synonym of
Anisus septemgyratus. ==Distribution==