Page last updated Thu 04 May 2017


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  Genus Diacyclops

Species D. crassicaudis (+ D. bissextilis)

Taxon Information

The Species D. crassicaudis 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

  • Diacyclops crassicaudis, "Canada (North West Territories, Saskatchewan), USA (Alaska, Michigan, Mississippi, Ohio, Virginia), Europe, Asia. Interstitial in streambeds, ditch" (Reid & Williamson, 2010).
  • Diacyclops crassicaudis brachycercus, "Widespread in Canada and the USA including Alaska. Most often in ephemeral sloughs and puddles, also interstitial in streambeds, occa- sionally in caves" (Reid & Williamson, 2010).
  • Cyclops (Diacyclops) crassicaudis brachycercus, "N.C., N.Y., Quebec" (Wilson & Yeatman, 1959).
  • Cyclops (Diacyclops) bissextilis, (Wilson & Yeatman, 1959).


  • Reid, J.W. & C.E. Williamson. 2010. Copepoda. [in] J.H. Thorp & A.P. Covich (eds.). Ecology and Classification of North American Freshwater Invertebrates, 3rd edition: 829-899.
  • Wilson, M.S. & H.C. Yeatman. 1959. Free-Living Copepoda. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 735-861.

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