Page last updated Wed 05 Feb 2020


Use the links to navigate the hierarchy of invertebrate classification.

  Superphylum Ecdysozoa

Phylum Nematoda (roundworms)

    Class Chromadorea -- North America.
    Class Dorylaimea -- North America.
    Class Enoplea -- North America.

Taxon Information

The Phylum Nematoda 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

  • Nematoda, (Hodda, 2011).
  • Nematoda, "24,783 species" (Zhang, 2011).
  • Nematoda, (De Ley et al., 2006).
  • Nematoda, [25,000 described species] (Brusca & Brusca, 2003).
  • Nematoda, [Wisconsin, USA] (Pennak, 1940).


  • Zhang, Z.-Q. 2011. Animal biodiversity: An introduction to higher-level classification and taxonomic richness. Zootaxa 3148: 7-12. [Available online]
  • Hodda, M. 2011. Phylum Nematoda Cobb 1932. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness. Zootaxa 3148: 63-95. [Available online]
  • Abebe, E., W. Decraemer & P. De Ley. 2008. Global diversity of nematodes (Nematoda) in freshwater. Hydrobiologia 595: 67-78. [Available online]
  • De Ley, P., W. Decraemer & Eualem-Abebe. 2006. Introduction: Summary of present knowledge and research addressing the ecology and taxonomy of freshwater nematodes. [in] Eualem-Abebe et al. (eds.). Freshwater Nematodes: Ecology and Taxonomy: 3-30.
  • Abebe, E., W. Traunspurger & I. Andrassy (eds.). 2006. Freshwater Nematodes. 752 pp. [Available online]
  • Brusca, R.C. & G.J. Brusca. 2003. Invertebrates, 2nd edition. Sinauer Associates, Inc., Sunderland, Massachusetts. 936 pp.
  • Smith, D.G. 2001. Nematoda (Roundworms). Pennak's Freshwater Invertebrates of the United States, 4th edition: 191-215.
  • Andrássy, I. 1992. A census of genera and subgenera of free-living nematodes described ensuing Andrássy's book, 1976. Opusc. Zool. Budapest 25: 137-148. [Available online]
  • Chitwood, B.G. & M.W. Allen. 1959. Nemata. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 368-401.
  • 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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