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 Major Groups | Crustacea (crustaceans) | Malacostraca (malacostracans) | Anaspidacea (anaspidaceans) | Psammaspididae


Major Group: Crustacea
Minor Group: Malacostraca
Order: Anaspidacea

Descriptive Features:

  • body elongate, vermiform, small to medium size
  • eyes absent
  • rostrum bilobed
  • scaphocerite absent
  • mandible with a 3 segmented palp
  • maxillule without palp
  • maxilla with 4 lobes
  • maxilliped coxa without epipodites, maxilliped basis with 1 tubular exopodite
  • pereopods 1-7 coxa with 1 tubular epipodite, pereopods 1-6 with 1 jointed exopodite, pereopods 7 with 1 tubular exopodite
  • pleopod 1 with multi-segmented exopodite and endopodite, pleopod 2 with endopodite only, pleopods 2-5 reduced to 0-3 segmented exopods
  • uropodal rami elongate and tubular, uropod outer rami 2 segmented, uropod inner rami 2 segmented
  • telson apical margin round
  • Total length: up to 20 mm


    Taxonomic Checklist: Species
    Eucrenonaspides oinotheke Knott & Lake
    Psammaspides williamsi Schminke

    Distribution: NSW, Tas

    Sensitivity Rating: none

    Functional Feeding Group: gathering collectors


    Wellington, NSW

    Ecology: Instream habitat: Psammaspididae species occur in caves, the interstitial hyporheic zones of sand and gravels of rivers and groundwater (aquifers) systems.
    Feeding ecology: Psammaspidid crustaceans are detritus feeders consuming sediment, and possibly algae.
    Life history:


    Information Sources: Poore 2002, Serov 2002, Lake et al. 2001 
    Key to Genera: Serov 2002