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Ceratocumatidae Calman 1905

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Ceratocumatidae

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Ceratocumatidae is a family of crustaceans of the order Cumacea. Ceratocumatidae have a small free telson. The endopods (interior branches) of the uropods are present on only one segment. Males have 5, 4 or 3 pairs of pleopods. All maxillipeds and some of the pereiopods bear exopods (outer branches). The gill apparatus has no supporting gill plates.[2]

References

Wikispecies has information related to Ceratocumatidae.
  1. ^ W. T. Calman (1905). "The Cumacea of the Siboga Expedition". Uitkomsten op Zoologisch, Botanisch, Oceanographisch en Geologisch Gebied. 36: 1–23.
  2. ^ WoRMS (2010). Watling L, Gerken S (eds.). "Ceratocumatidae". World Cumacea database. World Register of Marine Species. Retrieved November 29, 2011.
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Ceratocumatidae: Brief Summary

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Ceratocumatidae is a family of crustaceans of the order Cumacea. Ceratocumatidae have a small free telson. The endopods (interior branches) of the uropods are present on only one segment. Males have 5, 4 or 3 pairs of pleopods. All maxillipeds and some of the pereiopods bear exopods (outer branches). The gill apparatus has no supporting gill plates.

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Morphology

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  • Telson present, small.
  • Uropod inner ramus uniarticulate.
  • Male pleopods 5, 4, or 3 pairs, with external process on inner ramus.
  • Number free thoracic somites never reduced.
  • Exopods on maxillipeds and the following combinations of pereopods: in the male, 1-4, rarely 1-3 or 1-2; in the female, 1,or 1-3, with some females showing 1 + 3 rudimentary early in development.
  • Mandible with large section dorsal to molar.
  • Branchial apparatus without gill plate or supports.
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Watling, Les
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Daphne Cuvelier [email]
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