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Copépodes planctoniques marins
Brachycalanus antarcticus  Schulz, 2005   (F)
Taxonomy
Ordre Calanoida
Superfamille Clausocalanoidea
Famille Phaennidae

Références

Schulz, 2005 (p.52, Descr.F, figs.F, Rem.); Andronov, 2014 (p.36, fig.: A2)

Figures

Planche 1 issued 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.
Planche 2 issued 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.
Planche 3 issued 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
Planche 4 issued from : K. Schulz in Mitt. Hamb. Zool. Mus. Inst., 2005, 102. [p.58, Fig.4 A].
Female: P5 (posterior, left ramus surface spinules omitted).
Planche 5 Issued 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.

Distribution

NZ: 1

Carte de distribution de Brachycalanus antarcticus par zones géographiques


Localisations

Antarct. (E Weddell Sea)

Citations

N: 1

Dimensions (mm)

(976) F: 2,02-2,15; {F: 2,02-2,15}

Remarques

hyperbenthique (profondeur: 1056-1061 m).
Dernière mise à jour : 19/04/2016