William Stimpson (1865). „Researches upon the Hydrobiinae and allied forms chiefly made upon materials in the museum of the Smithsonian Institution“. Smithsonian Miscellaneous Collections7(201): 1-59. page 4.
Ellen E. Strong, Olivier Gargominy, Winston F. Ponder, Philippe Bouchet: Global diversity of gastropods (Gastropoda; Mollusca) in freshwater. In: Hydrobiologia. 595. Jahrgang, Nr.1, Dezember 2007, ISSN0018-8158, S.149–166, doi:10.1007/s10750-007-9012-6.
Kameda Y. & Kato M. (2011): Terrestrial invasion of pomatiopsid gastropods in the heavy-snow region of the Japanese Archipelago. BMC Evolutionary Biology 11: S. 118. doi:10.1186/1471-2148-11-118
Ellen E. Strong, Olivier Gargominy, Winston F. Ponder, Philippe Bouchet: Global diversity of gastropods (Gastropoda; Mollusca) in freshwater. In: Hydrobiologia. 595. Jahrgang, Nr.1, Dezember 2007, ISSN0018-8158, S.149–166, doi:10.1007/s10750-007-9012-6.