Page last updated Wed 05 Feb 2020


Use the links to navigate the hierarchy of invertebrate classification.

  Subfamily Chaetonotinae

Genus Ichthydium

    Species I. auritum -- midwestern North America.
    Species I. brachykolon -- midwestern North America.
    Species I. leptum -- midwestern North America.
    Species I. macropharyngistum -- midwestern North America.
    Species I. minimum -- midwestern North America.
    Species I. podura -- midwestern North America.
    Species I. sulcatum -- midwestern North America.
    Species I. cephalobares -- North America.
    Species I. monolobum -- North America.
    Species I. balatonicum
    Species I. bifasciale
    Species I. bifurcatum
    Species I. chaetiferum
    Species I. crassum
    Species I. cyclocephalum
    Species I. dubium
    Species I. forcipatum
    Species I. forficula
    Species I. fossae
    Species I. galeatum
    Species I. hummoni
    Species I. macrocapitatum
    Species I. maximum
    Species I. palustre
    Species I. pellucidum
    Species I. plicatum
    Species I. rostrum
    Species I. rupperti
    Species I. squamigerum
    Species I. supralitoralis
    Species I. tanytrichum
    Species I. tergestinum

Taxon Information

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

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

Literature Records

  • Ichthydium, "common and widespread" (Strayer et al., 2010).
  • Ichthydium, (Smith. D.G., 2001).
  • Ichthydium, [North Central United States] (Underhill et al., 1982).
  • Ichthydium, (Rossino, 1979).
  • Ichthydium, (Brunson, 1959).


  • Strayer, D.L., W.D. Hummon & R. Hochberg. 2010. Gastrotricha. [in] J.H. Thorp & A.P. Covich (eds.). Ecology and Classification of North American Freshwater Invertebrates, 3rd edition: 163-172.
  • Smith. D.G. 2001. Gastrotricha. Pennak's Freshwater Invertebrates of the United States, 4th edition: 117-128.
  • 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.
  • Rossino, G. 1979. Gastrotricha of Kettle Moraine State Park. M.S. Thesis, Loyola University, Chicago. 70 pp.
  • Brunson, R.B. 1959. Gastrotricha. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 406-419.

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