"* Paraspira (Paraspira) (Dall, 1905)" . . "* Anisus (Spiralina) (Martens, 1899) (junior homonym of Spiralina Chaster, 1898; junior synonym)" . "Anisus is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ramshorn snails and their allies."@en . . . . . . "* Planorbis (Anisus) (Studer, 1820) (combination not accepted)" . "* Spiralina (Martens, 1899) (junior homonym of Spiralina Chaster, 1898; junior synonym)" . . "* Paraspira (Dall, 1905)" . . .