Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Phaennidae ( Family )
            Brachycalanus ( Genus )
Brachycalanus antarcticus  Schulz, 2005   (F)
Ref.:
Schulz, 2005 (p.52, Descr.F, figs.F, Rem.); Andronov, 2014 (p.36, fig.: A2)
Species Brachycalanus antarcticus - Plate 1 of morphological figuresissued from : K. Schulz in Mitt. Hamb. Zool. Mus. Inst., 2005, 102. [p.53, Fig.1].
Female (from W Weddell Sea): A, habitus (dorsal); B, idem (lateral left side); C, rostrum (frontal); D, A1 (segments 1-13= ancestral I-XVI); E, A1 (segments 14-24 = ancestral XVII-XXVIII).
Scale bars = 0.100 mm.
Nota: Prosome/Urosome = 3,6. A1 24-segmented.


Species Brachycalanus antarcticus - Plate 2 of morphological figuresissued from : K. Schulz in Mitt. Hamb. Zool. Mus. Inst., 2005, 102. [p.54, Fig.2].
Female: A, A2; B, Md; C, Mx1; D, Mxp.
Scale bars = 0.050 mm;
Nota: Praecoxal arthrite with 5 spine-like setae and 4 slender setae (proximal 2 appear posterior); coxal epipodite with 7 large and 2 small setae; coxal and 1st basal endite with 3 and 4 setae, respectivelt; 2nd basal endite with 5 setae; endopod indistinctly 3-sefgmented and separated from basis with 3, 2, 4 setae; exopod lobate, relatively long, with 10 marginal setae. Mxp with syncoxa from proximal to distal with 1 long sensory, plumose seta, 1small sclerotized seta plus 1 long vermiform sensoriform seta, 1 brush-like sensoriform seta bearing large head, and 1 sclerotized seta.


Species Brachycalanus antarcticus - Plate 3 of morphological figuresissued from : K. Schulz in Mitt. Hamb. Zool. Mus. Inst., 2005, 102. [p.57, Fig.3].
Female: A, Mx2 (endopod omitted); B, Mx2 (endopod); C, P1 (anterior); D, P2 (posterior); E, P3 (posterior); F, P4 (posterior); G, P1 (posterior, exopod omitted).
Scale bars = 0.050 mm.
Nota: Endopod of Mx2 3-segmented with 9 sensory elements, their proximal and distal parts enclosed in partly transparent mass: 6 brush-like sensoriform setae of similar length, 1 medium-sized and 1 small brush-like sensoriform setae, and 1 long vermiform seta distally


Species Brachycalanus antarcticus - Plate 4 of morphological figuresissued from : K. Schulz in Mitt. Hamb. Zool. Mus. Inst., 2005, 102. [p.58, Fig.4 A].
Female: P5 (posterior, left ramus surface spinules omitted).

Species Brachycalanus antarcticus - Plate 5 of morphological figuresIssued from : V.N. Andronov in Russian Acad. Sci. P.P. Shirshov Inst. Oceanol. Atlantic Branch, Kaliningrad, 2014. [p.36, Fig.9, 6]. Brachicalanus antarcticus after Schulz, 2005.
6, distal segment of exopod of A2.

NZ: 1

Distribution map of Brachycalanus antarcticus by geographical zones
Loc:
Antarct. (E Weddell Sea)
N: 1
Lg.:
(976) F: 2,02-2,15; {F: 2,02-2,15}
Rem.: hyperbenthic (depth: 1056-1061 m).
Last update : 19/04/2016
    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., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed November 21, 2024]

© copyright 2005-2024 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