Page last updated Wed 05 Feb 2020


Use the links to navigate the hierarchy of invertebrate classification.

  Superphylum Radiata

Phylum Cnidaria (+ Coelenterata) (hydroids, jellyfish, anemones, corals, etc.)

    Subphylum Medusozoa -- Wisconsin!
    Class Anthozoa
    Subphylum Myxozoa

Taxon Information

The Phylum Cnidaria 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

  • Cnidaria, "... approximately 11,200 species, distributed among at least five classes." (Pechenik, 2015).
  • Coelenterata, (Pechenik, 2015).
  • Cnidaria, "10,105 species" (Zhang, 2011).
  • Cnidaria, (Daly et al., 2007).
  • Cnidaria, [10,000 described species] (Brusca & Brusca, 2003).
  • Cnidaria, (Hyman, 1959).


  • Pechenik, J.A. 2015. Biology of the Invertebrates, 7th edition. McGraw-Hill, NewYork.. 606 pp.
  • Zhang, Z.-Q. 2011. Animal biodiversity: An introduction to higher-level classification and taxonomic richness. Zootaxa 3148: 7-12. [Available online]
  • Slobodkin, L.B. & P.E. Bossert. 2010. Cnidaria. [in] J.H. Thorp & A.P. Covich (eds.). Ecology and Classification of North American Freshwater Invertebrates, 3rd edition: 125-142.
  • Jankowski, T., A.G. Collins & R. Campbell. 2008. Global diversity of inland water cnidarians. Hydrobiologia 595: 35-40. [Available online]
  • Daly, M., M.R. Brugler, P. Cartwright, A.G. Collins, M.N. Dawson, D.G. Fautin, S.C. France, C.S. McFadden, D.M. Opresko, E. Rodriguez, S.L. Romano & J.L. Stake. 2007. The phylum Cnidaria: A review of phylogenetic patterns and diversity 300 years after Linnaeus. Zootaxa 1668: 127-182. [Available online]
  • Brusca, R.C. & G.J. Brusca. 2003. Invertebrates, 2nd edition. Sinauer Associates, Inc., Sunderland, Massachusetts. 936 pp.
  • Smith, D.G. 2001. Cnidaria (Hydroids, jellyfish). Pennak's Freshwater Invertebrates of the United States, 4th edition: 61-76.
  • Hyman, L.H. 1959. Coelenterata. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 313-322.

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