Page last updated Wed 05 Feb 2020


Use the links to navigate the hierarchy of invertebrate classification.

  Tribe Lampsilini

Genus Medionidus

    Species M. acutissimus -- North America.
    Species M. conradicus -- North America.
    Species M. parvulus -- North America.
    Species M. penicillatus -- North America.
    Species M. simpsonianus -- North America.
    Species M. walkeri -- North America.

Taxon Information

The Genus Medionidus 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

  • Medionidus, [North America] (Cummings & Graf, 2010).
  • Medionidus, at least 5 species in Gulf coast and Mississippi River drainage systems [North America] (Smith, 2001).
  • Medionidus, "Occurs in the southeastern states from Tenn. to Ala. and northern Fla." (Clench, 1959).


  • Cummings, K.S. & D.L. Graf. 2010. Mollusca: Bivalvia. [in] J.H. Thorp & A.P. Covich (eds.). Ecology and Classification of North American Freshwater Invertebrates, 3rd edition: 309-384.
  • 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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