(ofPlanorbis (Bathyomphalus) contortiformis Volkova, 1953 †)Volkova, N.S. (1953). Fauna nizhney chasti verkhnego sarmata okrestnostey g. Armavira [Fauna of the lower part of the Upper Sarmatian of the environs of Armavir]. <em>Trudy VSEGEI. Paleontologiya i stratigrafiya.</em> 1953: 52-76.[details]
original description(ofPlanorbis (Bathyomphalus) contortiformis Volkova, 1953 †)Volkova, N.S. (1953). Fauna nizhney chasti verkhnego sarmata okrestnostey g. Armavira [Fauna of the lower part of the Upper Sarmatian of the environs of Armavir]. <em>Trudy VSEGEI. Paleontologiya i stratigrafiya.</em> 1953: 52-76.[details]
Present Inaccurate Introduced: alien Containing type locality