Lithasia hubrichti Clench, 1965:32

Big Black rocksnail



Taxonomy & Nomenclature

Synonym/s: Ellipstoma hubrichti Clench, 1956:32; Lithasia hubrechti Clench, 1956 [orth. error used by Cowie et al., 2017:36]


Conservation Status

Last record: 1965 (Rezac et al., 2024)

Rediscovered in 2022 (Rezac et al., 2024)



Big Black River, near Edwards, Hind County, Mississippi, USA


Biology & Ecology





OSUM 12319

OSUM 13238








Original scientific description:

Clench, W. J. (1965). A new species of Lithasia from Mississippi. The Nautilus, 79(1): 31-34.


Other references:

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.

Hartfield, P. D. (1993). Headcuts and their effects on freshwater mussels, pp. 131-141. In: Cummings KS, Buchanan AC, Koch LM editors. Conservation and managemetn of freshwater mussels: proceedings of a UMRCC symposium. Rock Island, Illinois Upper Mississippi River Conservation Committee.

International Commission on Zoological Nomenclature (ICZN). 2005. Opinion 2093 (Case 3249). Lithasia Haldeman, 1840 (Mollusca, Gastropoda): conserved. Bulletin of Zoological Nomenclature 62(1): 34-35.

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.

Minton, R. L. and Bogan, A. E. (2003). Lithasia Haldeman, 1840 (Mollusca, Gastropoda): proposed conservation. Bulletin of Zoological Nomenclature 60(2): 103-108.

NatureServe. (2015). Lithasia hubrichti - Clench, 1956 (Big Black Rocksnail). NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available (Accessed: October 25, 2015).

Rezac, C. R., Ellwanger, R. J., Donohoo, S. A. et al. (2024). Surveys that prioritize site number over time per site will result in better gastropod status assessments: a case study on the rediscovery of Big Black Rocksnail. Biodiversity and Conservation.

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.


<< Back to the Caenogastropoda database