Page last updated Wed 05 Feb 2020


Use the links to navigate the hierarchy of invertebrate classification.

  Subclass Eumalacostraca

Superorder Peracarida (scuds, sow bugs)

    Order Amphipoda -- Wisconsin!
    Order Isopoda -- Wisconsin!
    Order Mysida -- Wisconsin!
    Order Cumacea -- North America.
    Order Tanaidacea -- North America.
    Order Thermosbaenacea -- North America.
    Order Spelaeogriphacea
    Order Bochusacea
    Order Lophogastrida
    Order Mictacea
    Order Pygocephalomorpha

Taxon Information

The Superorder Peracarida 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.)


  • 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.
  • Jaume, D. & G.A. Boxshall. 2008. Global diversity of cumaceans & tanaidaceans (Crustacea: Cumacea & Tanaidacea) in freshwater. Hydrobiologia 595: 225-230. [Available online]
  • Jaume, D. 2008. Global diversity of spelaeogriphaceans & thermosbaenaceans (Crustacea; Spelaeogriphacea & Thermosbaenacea) in freshwater. Hydrobiologia 595: 219-224. [Available online]
  • Smith, D.G. 2001. Minor Malacostraca. Pennak's Freshwater Invertebrates of the United States, 4th edition: 545-551.

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