Marstonia castor F.G. Thompson, 1977



Taxonomy & Nomenclature

Synonym/s: Pyrgulopsis castor (Thompson, 1977)


Conservation Status


Last record: 1973?

IUCN RedList status: Critically Endangered



Georgia, USA


Biology & Ecology










Burch, J.B. 1989. North American freshwater snails. Malacological Publications, Hamburg, Michigan, U.S.A.

Cordeiro, J. & Perez, K. 2012. Marstonia castor. The IUCN Red List of Threatened Species 2012: e.T18961A1929774. Downloaded on 07 January 2018.

Cowie, Robert H., Régnier, Claire, Fontaine, Benoît, and Bouchet, Philippe. (2017). Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.

Hershler, R. 1994. A review of the North American freshwater snail genus Pyrgulopsis (Hydrobiidae). Smithsonian Contributions to Zoology 554: 1-124.

Hershler, R. and Thompson, F.G. 1987. North American Hydrobiidae (Gastropoda: Rissoacea): redescription and the systematic relationships of Tryonia Stimpson, 1865 and Pyrgulopsis Call and Pilsbry, 1886. The Nautilus 101(1): 25-32.

Johnson, P.D., Bogan, A.E., Brown, K.M., Burkhead, N.M., Cordeiro, J.R., Garner, J.T., Hartfield, P.D., Lepitzki, D.A.W., Mackie, G.L., Pip, E., Tarpley, T.A., Tiemann, J.S., Whelan, N.V. and Strong, E.E. 2013. Conservation status of freshwater gastropods of Canada and the United States. Fisheries 38(6): 247-282.

Régnier, Claire, Fontaine, Benoît and Bouchet, Philippe. (2009). Not Knowing, Not Recording, Not Listing: Numerous Unnoticed Mollusk Extinctions. Conservation Biology 23(5): 1214-1221.

Thompson, F.G. and Hershler, R. 2002. Two genera of North American freshwater snails: Marstonia Baker, 1926, resurrected to generic status, and Floridobia, new genus (Prosobranchia: Hydrobiidae: Nymphophilinae). The Veliger 45(3): 269-271.

Watson. C. 2000. Results of a survey for slected species of Hydrobiidae (Gastropoda) in Georgia and Florida. In: Ohio Biological Survey (ed.). Ohio Biological Survey, Columbus.


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