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Hershler, R., Holsinger, J.R. & Hubricht, L. (1990). A Revision of the North American Freshwater Snail Genus Fontigens (Prosobranchia: Hydrobiidae). Smithsonian Contributions to Zoology, 509: i-iii: 1-49. Washington.
Hershler, R., Holsinger, J.R. & Hubricht, L. (1990). A Revision of the North American Freshwater Snail Genus Fontigens (Prosobranchia: Hydrobiidae). Smithsonian Contributions to Zoology, 509: i-iii: 1-49. Washington.
