Page last updated Wed 05 Feb 2020


Image from Biopix.

Use the links to navigate the hierarchy of invertebrate classification.

  Family Physidae

Genus Physa

    Species P. skinneri -- Wisconsin!
    Species P. jennessi -- midwestern North America.
    Species P. vernalis -- midwestern North America.
    Species P. carolinae -- North America.
    Species P. megalochlamys -- North America.
    Species P. natricina -- North America.
    Species P. sibirica -- North America.
    Species P. columbiana
    Species P. concolor
    Species P. fontinalis
    Species P. gyrina
    Species P. hordacea
    Species P. lordi
    Species P. nuttalli
    Species P. propingua
    Species P. pumilia

Taxon Information

The Genus Physa has been reported (or is assumed) to occur in fresh waters. This taxon has been reported from Wisconsin.

(These statements were generated automatically from the WInvertebrates database.)

Literature Records

  • Physa, [North America] (Johnson et al., 2013).
  • Physa, [North America] (Brown & Lydeard, 2010).
  • Physa, nearly 30 described species, many ranging throughout most of the United States (Smith, 2001).
  • Physa, [North Central United States] (Underhill et al., 1982).
  • Physa, "Widely distributed throughout [North America]" (Clench, 1959).


  • 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 & E.E. Strong. 2013. Conservation Status of Freshwater Gastropods of Canada and the United States. Fisheries 38(6): 247-282.
  • Brown, K.M. & C. Lydeard. 2010. Mollusca: Gastropoda. [in] J.H. Thorp & A.P. Covich (eds.). Ecology and Classification of North American Freshwater Invertebrates, 3rd edition: 277-307.
  • Smith, D.G. 2001. Mollusca (Gastropods, pelecypods). Pennak's Freshwater Invertebrates of the United States, 4th edition: 327-400.
  • Underhill, J.C., W.D. Schmid & D.E. Gilbertson. 1982. Taxonomic Keys to the Common Animals of the North Central States, exclusive of the parasitic worms, terrestrial insects, and birds, 4th edition. 205 pp.
  • Clench, W.J. 1959. Mollusca. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 1117-1160.

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