Page last updated Wed 05 Feb 2020


Use the links to navigate the hierarchy of invertebrate classification.

  Family Cochliopidae

Genus Tryonia

    Species T. aequicostata -- North America.
    Species T. angulata -- North America.
    Species T. brunei -- North America.
    Species T. cheatumi -- North America.
    Species T. circumstriata -- North America.
    Species T. clathrata -- North America.
    Species T. diaboli -- North America.
    Species T. elata -- North America.
    Species T. ericae -- North America.
    Species T. gilae -- North America.
    Species T. imitator -- North America.
    Species T. margae -- North America.
    Species T. metcalfi -- North America.
    Species T. monitorae -- North America.
    Species T. oasiensis -- North America.
    Species T. porrecta -- North America.
    Species T. quitobaquitae -- North America.
    Species T. rowlandsi -- North America.
    Species T. salina -- North America.
    Species T. variegata -- North America.
    Species T. adamantina
    Species T. alamosae
    Species T. brevissima
    Species T. kosteri
    Species T. protea
    Species T. robusta

Taxon Information

The Genus Tryonia has been reported (or is assumed) to occur in fresh waters. This taxon has been reported from North America.

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

Literature Records

  • Tryonia, [North America] (Johnson et al., 2013).
  • Tryonia, [North America] (Brown & Lydeard, 2010).
  • Tryonia, about 7 species, AR, southern CA, NM, west TX, southern NV...2 species FL (Smith, 2001).
  • Tryonia, "Found in Nev. and probably south through Central 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.
  • Clench, W.J. 1959. Mollusca. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 1117-1160.

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