Page last updated Wed 05 Feb 2020


Use the links to navigate the hierarchy of invertebrate classification.

  Subcohort Hydrachnidiae

Superfamily Hygrobatoidea (+ Pionoidea, + Axonopsoidea)

    Family Hygrobatidae -- midwestern North America.
    Family Limnesiidae -- midwestern North America.
    Family Pionidae -- midwestern North America.
    Family Unionicolidae -- midwestern North America.
    Family Aturidae -- North America.
    Family Feltriidae -- North America.
    Family Frontipodopsidae -- North America.
    Family Lethaxonidae -- North America.
    Family Omartacaridae -- North America.
    Family Wettinidae -- North America.
    Family Astacocrotonidae
    Family Ferradasiidae
    Family Pontarachnidae

Taxon Information

The Superfamily Hygrobatoidea has been reported (or is assumed) to occur in fresh waters. This taxon has been reported from midwestern states of North America.

(These statements were generated automatically from the WInvertebrates database.)

Literature Records

  • Hygrobatoidea, [North America] (Smith et al., 2010).
  • Hygrobatoidea, (Lindquist et al., 2009).
  • Hygrobatoidea, [Palearctic, Nearctic, Neotropical, Afrotropical, Oriental, Australasian; 2,965 species worldwide] (Di Sabatino et al., 2008).
  • Pionae [sic], [North America] (Newell, 1959).
  • Axonopsae [sic], [North America] (Newell, 1959).


  • Smith, I.M., D.R. Cook & B.P. Smith. 2010. Water mites (Hydrachnidiae) and other arachnids. [in] J.H. Thorp & A.P. Covich (eds.). Ecology and Classification of North American Freshwater Invertebrates, 3rd edition: 485-586.
  • Lindquist, E.E., G.W. Krantz & D.E. Walter. 2009. Classification. [in] G.W. Krantz & D.E. Walter(eds.). A Manual of Acarology, 3rd Edition. Texas Tech University Press, Lubbock: 97-103.
  • Di Sabatino, A., H. Smit, R. Gerecke, T. Goldschmidt, N. Matsumoto & B. Cicolani. 2008. Global diversity of water mites (Acari, Hydrachnidia; Arachnida) in freshwater. Hydrobiologia 595: 303-315. [Available online]
  • Newell, I.M. 1959. Acari. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 1080-1116.

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