Page last updated Wed 05 Feb 2020


Image from Micrographia Gallery.

Use the links to navigate the hierarchy of invertebrate classification.

  Superphylum Platyzoa

Phylum Gastrotricha (gastrotrichs, hairy backs)

    Order Chaetonotida -- Wisconsin!
    Order Macrodasyida

Taxon Information

The Phylum Gastrotricha 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

  • Gastrotricha, "790 species" (Zhang, 2011).
  • Gastrotricha, [450 described species] (Brusca & Brusca, 2003).
  • Gastrotricha, [Adams, Columbia, and Marquette counties, Wisconsin] (Zakarija, 1980).
  • Gastrotricha, (Brunson, 1959).
  • Gastrotricha, [Wisconsin, USA] (Pennak, 1940).


  • Balsamo, M., L. Guidi & J.-L. d'Hondt. 2013. Phylum Gastrotricha. In: Zhang, Z.-Q. (Ed.) Animal Biodiversity: An Outline of Higher-level Classification and Survey of Taxonomic Richness (Addenda 2013) . Zootaxa 3703(1): 079–082. [Available online]
  • Zhang, Z.-Q. 2011. Animal biodiversity: An introduction to higher-level classification and taxonomic richness. Zootaxa 3148: 7-12. [Available online]
  • 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.
  • Balsamo, M., J.-L. d'Hondt, J. Kisielewski & L. Pierboni. 2008. Global diversity of gastrotrichs (Gastrotricha) in fresh waters. Hydrobiologia 595: 85-91. [Available online]
  • Brusca, R.C. & G.J. Brusca. 2003. Invertebrates, 2nd edition. Sinauer Associates, Inc., Sunderland, Massachusetts. 936 pp.
  • Smith. D.G. 2001. Gastrotricha. Pennak's Freshwater Invertebrates of the United States, 4th edition: 117-128.
  • Zakarija, J.L. 1980. Gastrotricha of Central Wisconsin. M.S. Thesis, Loyola University, Chicago. 85 pp.
  • Brunson, R.B. 1959. Gastrotricha. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 406-419.
  • Pennak, R.W. 1940. Ecology of the microscopic Metazoa inhabiting the sandy beaches of some Wisconsin lakes. Ecological Monographs 10(4): 537-615. [Available online]

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