Page last updated Wed 05 Feb 2020


Use the links to navigate the hierarchy of invertebrate classification.

  Family Amnicolidae

Genus Lyogyrus (+ Lyrogyrus)

    Species L. pilsbryi -- Wisconsin!
    Species L. walkeri -- Wisconsin!
    Species L. bakerianus -- North America.
    Species L. browni -- North America.
    Species L. granum -- North America.
    Species L. greggi -- North America.
    Species L. latus -- North America.
    Species L. pupoideus -- North America.
    Species L. retromargo -- North America.

Taxon Information

The Genus Lyogyrus 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

  • Lyogyrus, [North America] (Johnson et al., 2013).
  • Lyogyrus, [North America] (Brown & Lydeard, 2010).
  • Lyogyrus, 4 possibly more species generally in eastern states and Great Lakes region (Smith, 2001).
  • Lyrogyrus [sic], "A genus of very small species restricted to the Atlantic Coast states" (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.
  • Clench, W.J. 1959. Mollusca. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 1117-1160.

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