Somatogyrus strengi Pilsbry & Walker, 1906

Rolling pebblesnail



Taxonomy & Nomenclature



Conservation Status

Rediscovered: pre-2008

IUCN RedList status: Critically Endangered



Alabama, USA


Biology & Ecology










Burch, J.B. 1989. North American Freshwater Snails. Malacological Publications: Hamburg, Michigan. 365 pp.
Clark, S.A. 2007. Preliminary survey of the Hydrobiidae of Alabama. Final report prepared for Alabama Department of Conservation and Natural Resources, Wildlife and Freshwater Fisheries Division, Montgomery, Alabama. Unpaginated.
Hinkley, A.A. 1906. Some shells from Mississippi and Alabama. The Nautilus, 20(3): 34; 20(4): 40-44; 20(5): 52-55.
Mirarchi, R.E. 2004. Alabama Wildlife. Volume One: A Checklist of Vertebrates and Selected Invertebrates: Aquatic Mollusks, Fishes, Amphibians, Reptiles, Birds, and Mammals. University of Alabama Press: Tuscaloosa, Alabama. 209 pp.
Mollusc Specialist Group. (2000). Somatogyrus strengi. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. ( Downloaded on 27 July 2013.
NatureServe. (2015). Somatogyrus strengi - Pilsbry and Walker, 1906 (Rolling 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.


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