Species Card of Copepod
Cyclopoida ( Order )
    Oncaeidae ( Family )
        Oncaea ( Genus )
Oncaea delicata  Heron, English & Damkaer, 1984   (F,M)
Ref.:
Heron & al., 1984 (p.473, figs.F,M)
Species Oncaea delicata - Plate 1 of morphological figuresissued from : G.A. Heron, T.S. English & D.M. Damkaer in J. Crustacean Biol., 1984, 4 (3). [p.471, Fig.12, K-N].
Female (from Arctic): K, habitus (lateral; scale bar: y); L-M, posterior of last prosomal segment and urosome (lateral, and dorsal, respectively; scale bar: w); N, right A1 (scale bar: w).


Species Oncaea delicata - Plate 2 of morphological figuresissued from : G.A. Heron, T.S. English & D.M. Damkaer in J. Crustacean Biol., 1984, 4 (3). [p.474, Fig.13].
Female: A, right A2 (scale bar: w); B, labrum (ventral; scale bar: x); C, right Md (scale bar: x); D, right Mx1 (scale bar: x); E, right Mx2 (scale bar: x); F, right Mxp (scale bar: x); G-J, P1 to P4 (scale bar: w); K, P5 (scale bar: x).

Male: L, habitus (lateral; scale bar: y).


Species Oncaea delicata - Plate 3 of morphological figuresissued from : G.A. Heron, T.S. English & D.M. Damkaer in J. Crustacean Biol., 1984, 4 (3). [p.475, Fig.14, A-E].
Male: A-B, posterior of last prosomal segment of urosome (lateral and dorsal, respectively; scale bar: w); C, left Mxp (scale bar: x); D, endopod of P2 (scale bar: w); E, P5 (scale bar: x).

NZ: 2

Distribution map of Oncaea delicata by geographical zones
Loc:
Arctic, Norwegian Sea
N: 1
Lg.:
(675) F: 0,64-0,52; M: 0,64-0,52; {F: 0,52-0,64; M: 0,52-0,64}
Rem.: bathypelagic (collected 1500-1000 m).
For Heron & al. (1984, p.476), the species may be distinguished by the 44 endopodite 3 with the marked difference between lengths of the terminal spines, plus the proximal point of insertion of the outer spine, 1/3 the length of the segment from the terminal spines. Most of the specimens were found damagedprobably due to the fragile exoskeleton. The prosomes of many specimens were abnormally expanded, presumably deformed by internal cystic growth.
Last update : 26/01/2015
    to add your remark
  

 Any use of this site for a publication will be mentioned with the following reference :

Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2021. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed November 27, 2021]

© copyright 2005-2021 Sorbonne University, CNRS

Webmaster
CNRS   Observatoire Océanologique de Banyuls sur Mer - Laboratoire Arago
Sorbonne Université

 

Version française
English version

 

Search

On the WEB of CNRS

 


Marine Planktonic Copepods

Marine Planktonic Copepods

 

Imprimer Contact Accueil Plan du site Accès restreint Retour Une du Labo Imprimer Contact Plan du site Crédits Téléchargez les Plug-Ins