Somatogyrus alcoviensis Krieger, 1972:120

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Taxonomy & Nomenclature



Conservation Status

Rediscovered in 1995

IUCN RedList status: Extinct



Georgia, USA


Biology & Ecology










Original scientific description:

Krieger, K. A. (1972). Somatogyrus alcoviensis, new gastropod species from Georgia (Hyrdobiidae). Nautilus 85(4): 120-125.


Other references:

Bogan, A. E. (2000a). Somatogyrus alcoviensis. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. ( Downloaded on 27 July 2013.

Bogan, A.E. 2000b. Somatogyrus alcoviensis. The IUCN Red List of Threatened Species 2000: e.T40053A10311559. Downloaded on 24 June 2021.

Burch, J.B. 1989. North American Freshwater Snails. Malacological Publications: Hamburg, Michigan. 365 pp.

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.

Hilton-Taylor, C. 2000. 2000 IUCN Red List of Threatened Species. IUCN, Gland, Switzerland and Cambridge, UK.

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

NatureServe. (2015). Somatogyrus alcoviensis - Krieger, 1972  (Reverse Pebblesnail). NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available (Accessed: October 24, 2015).

Turgeon, D.D., J.F. Quinn, Jr., A.E. Bogan, E.V. Coan, F.G. Hochberg, W.G. Lyons, P.M. Mikkelsen, R.J. Neves, C.F.E. Roper, G. Rosenberg, B. Roth, A. Scheltema, F.G. Thompson, M. Vecchione, and J.D. Williams. 1998. Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks. 2nd Edition. American Fisheries Society Special Publication 26, Bethesda, Maryland: 526 pp.

Watson, C.N. 1999. Results of a survey for selected species of Hydrobiidae in Georgia and Florida [abstract]. Page 27 in Program Guide and Abstracts. The First Symposium of the Freshwater Mollusk Conservation Society, Chattanooga, Tennessee, March 17-19, 1999.

Watson, C.N., Jr. 2000. Results of a survey for selected species of Hydrobiidae (Gastropoda) in Georgia and Florida. Pages 233-244 in R.A. Tankersley, D.I. Warmolts, G.T. Watters, B.J. Armitage, P.D. Johnson, and R.S. Butler (eds.). Freshwater Mollusk Symposia Proceedings. Ohio Biological Survey, Columbus, Ohio. 274 pp.


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