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Harpacticoida

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Title: Harpacticoida  
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Harpacticoida

Harpacticoida
Harpacticoid copepod
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Maxillopoda
Subclass: Copepoda
Order: Harpacticoida
G. O. Sars, 1903
Families

See text

Harpacticoida is an meiofaunal group in marine sediment milieu, after nematodes. In Arctic and Antarctic seas, Harpacticoida are common inhabitants of sea ice. The name Harpacticoida comes from the Greek noun harpacticon (rapacious predator) and the suffix -oid (akin to) and means reminiscent of a predator .

Harpacticoids are distinguished from other copepods by the presence of only a very short pair of first antennae. The second pair of antennae are biramous, and the major joint within the body is located between the fourth and fifth body segments. They typically have a wide abdomen, and often have a somewhat worm-like body.[1]

Families

Sixty-seven families are currently recognised in the Harpacticoida:[2]

References

  1. ^ Robert D. Barnes (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 692.  
  2. ^ Geoff Boxshall (2010). "Harpacticoida".  

External links

  • Harpacticoida, Guide to the marine zooplankton of south eastern Australia, Tasmanian Aquaculture and Fisheries Institute
  • Data related to Harpacticoida at Wikispecies
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