Page last updated Wed 05 Feb 2020


Use the links to navigate the hierarchy of invertebrate classification.

  Superorder Peracarida

Order Isopoda (sow bugs, pill bugs, rollie-pollies)

    Suborder Asellota -- Wisconsin!
    Suborder Oniscidea -- midwestern North America.
    Suborder Cymothoida -- North America.
    Suborder Sphaeromatidea -- North America.
    Suborder Valvifera -- North America.
    Suborder Calabozoidea
    Suborder Phreatoicidea
    Suborder Tainisopidea
    Suborder Limnoriidea
    Suborder Phoratopidea

Taxon Information

The Order Isopoda 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

  • Isopoda, [North America] (Covich et al., 2010).
  • Isopoda, (Chace et al., 1959).


  • Covich, A.P., J.H. Thorp & D.C. Rogers. 2010. Introduction to the Subphylum Crustacea. [in] J.H. Thorp & A.P. Covich (eds.). Ecology and Classification of North American Freshwater Invertebrates, 3rd edition: 695-723.
  • Wilson, G.D.F. 2008. Global diversity of isopod crustaceans (Crustacea; Isopoda) in freshwater. Hydrobiologia 595: 231-240. [Available online]
  • Smith, D.G. 2001. Isopoda (Aquatic sow bugs). Pennak's Freshwater Invertebrates of the United States, 4th edition: 553-567.
  • Chace, F.A., jr., J.G. Mackin, L. Hubricht, A.H. Banner & H.H. Hobbs, jr. 1959. Malacostraca. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 869-901.

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