Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Phaennidae ( Famille )
            Xanthocalanus ( Genre )
Xanthocalanus marlyae  Campaner, 1978   (F)
Ref.:
Campaner, 1978 a (p.969, Descr.F ,figs.F); Björnberg & al., 1981 (p.635, figs.F); Campaner, 1985 (p.12, figs.F, Rem.); Bradford & al., 1983 (p.71, Rem.); Bradford-Grieve & al., 1999 (p.881, 929, figs.F)
Espèce Xanthocalanus marlyae - Planche 1 de figures morphologiquesissued from : A.F. Campaner in Bolm Inst. oceanogr., S Paulo, 1985, 33 (1). [p.12, Fig.8].
Female (off Rio de Janeiro); a, forehead (lateral); b, idem (ventral). L = lens; P = pignent cup.
Nota: The species was originally described without eyes, but examining the well-preserved specimens, it is possible to state the contrary. The frontal eyes, each one composed of a lens and an internal wine red pigment cup.


Espèce Xanthocalanus marlyae - Planche 2 de figures morphologiquesissued from : A. F. Campaner in Ciência e Cultura, 1978, 30 (8). [p.970, Figs.2-7].
Female (from 23°19' S, 41°57' W): 2, habitus (dorsal); 3, same (lateral); 4, forehead ( anterior ventral view); 5, posterolateral thoracic margins and genital segment (ventral); 6, A1; 7, A2.
Scale bars: 0.5 mm (2, 3, 6); 0.2 mm (4, 5, 7).

Nota: Cephalosome and thoracic segment 1 separate.
Rostrum ending in 2 filaments.
Postero-lateral thoracic corners produced, ending in a blunt point and reaching the half of genital segment.
Proportional lengths prosome and urosome 81.5 : 18.5.
A1 24-segmented, overreaching the caudal rami.


Espèce Xanthocalanus marlyae - Planche 3 de figures morphologiquesissued from : A. F. Campaner in Ciência e Cultura, 1978, 30 (8). [p.971, Figs.8-13].
Female; 8, Md; 9, Md (cutting edge of the gnathobase); 10, Mx1; 11, Mx2; 12, endopodite of Mx2; 13, Mxp.
Scale bars: 0.1 mm (8, 10, 11); 0.05 (9, 12).

Nota: Mx1: 9 plumose setae on the outer lobe 1, 10 plumose setae on the exopod, 3:3;4 plumose setae on each endopodal segments 1-3, 5 plumose setae on the basis 2; 5 aculeate-straight setae + 8 long setae on the inner lobe 1, 4 long setae on the inner lobe 2 and 4.
Mx2: 5 plumose setae on the inner lobe 1, 3 plumose setae on the inner lobe 3, 1 scythe-shaped + 2 plumose setae on the inner lobe 4, 1 scythe-shaped heavily chitinized seta + 3 long plumose seta on the inner lobe 5, 2 vermiform setae + 6 brush-like setae on the endopod (1 short and broad).
Mxp: 1 brush-like seta + 7 plumose setae on the basis 1, 3 plumose setae on the basis 2, and 6:4:3:5:2 plumose setae on the endopod segments 1-5. Basis 1 and 2 also with groups of setules).


Espèce Xanthocalanus marlyae - Planche 4 de figures morphologiquesissued from : A. F. Campaner in Ciência e Cultura, 1978, 30 (8). [p.972, Figs.14-20].
Female: 14-17, P1 to P4, respectively; 18-19, P5 (dorsal and ventral view, rspectively).

Female V copepodite: 20, habitus; 21, endopodite of Mx2.

Scale bars: 0.2 mm (14-17); 0.1 mm (18, 19); 0.5 mm (20); 0.05 mm (21).


Espèce Xanthocalanus marlyae - Planche 5 de figures morphologiquesissued from : A. F. Campaner in Ciência e Cultura, 1978, 30 (8). [p.973, Figs.23-27].
Male V copepodite: 22, habitus (lateral); 23, forehead (ventral view); 24, A1; 25, exopodite of A2; 26, endopodite of A2; 27, Md (mandibular palp); 28, Md (gnathobase).
Scale bars: 0.5 mm (22, 24); 0.2 mm (23); 0.1 mm (25-28).


Espèce Xanthocalanus marlyae - Planche 6 de figures morphologiquesissued from : A. F. Campaner in Ciência e Cultura, 1978, 30 (8). [p.974, Figs.29-33].
Male V copepodite: 29, Mx1; 30, Mx2 (without the endopodite); 31, endopodite of Mx2; 32, Mxp; 33, P1.
Scale bars: 0.1 mm (29, 30, 33); 0.2 mm (31, 32).


Espèce Xanthocalanus marlyae - Planche 7 de figures morphologiquesissued from : A. F. Campaner in Ciência e Cultura, 1978, 30 (8). [p.975, Figs.34-40].
Male V copepodite: 34, P2; 35, P3; 36, P4; 37, P5.

Female IV copepodite: 38, habitus (dorsal); 39, Md; 40, P5.

Scale bars: 0.2 mm (34, 36); 0.1 mm (37, 39, 40); 0.5 mm (38).

Ref. compl.:
Medellin-Mora & Navas S., 2010 (p.265, Tab. 2); Bonecker & a., 2014 (p.445, Table II: frequency, horizontal & vertical distributions)
NZ: 2

Carte de distribution de Xanthocalanus marlyae par zones géographiques
Loc:
S Brazil (off Rio de Janeiro), Caribbean Colombia (San Andrés y Providencia)
N: 4
Lg.:
(441) F: 3,75-3,3; {F: 3,30-3,75}
Rem.: hyperbenthique.
Voir aussi les remarques en anglais
Dernière mise à jour : 17/04/2015

 Toute utilisation de ce site pour une publication sera mentionnée avec la référence suivante :

Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2024. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 26 avril 2024]

© copyright 2005-2024 Sorbonne Université, CNRS

Webmaster
Mentions légales et informations nominatives
CNRS   Observatoire Océanologique de Banyuls sur Mer - Laboratoire Arago
Sorbonne Université

 

Version française
English version

 

Rechercher

Sur le WEB du CNRS

 


Copépodes planctoniques marins

Copépodes planctoniques marins

 

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