Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Hyperbionychidae ( Famille )
        Hyperbionyx ( Genre )
Hyperbionyx pluto  Ohtsuka, Roe & Boxshall, 1993   (F,M)
Ref.:
Ohtsuka & al., 1993 a (p.70, figs.F,M); Boxshall & Halsey, 2004 (p.129: figs.F,M)
Espèce Hyperbionyx pluto - Planche 1 de figures morphologiquesissued from : S. Ohtsuka, H.S.J. Roe & G.A. Boxshall inSarsia, 1993, 78. [p.71, Fig.1].
Female (from off N Cape Verde Islands): A, habitus (dorsal); B, idem (lateral right side); C, genital double somite (ventral); D, rostrum; E, labrum and paragnath (lateral view); F, idem (ventral view); G, paragnath; H, anal somite and caudal rami (ventral).
Scales in mm. Paratype: A, B, E, F; holotype: C, D, G, H.
Nota: Rostrum triangular, with pair of long filaments. A1 asymmetrical, left longer than right (terminal segments of left A1 missing); right A1 27-segmented. Genital apertures asymmetrically located (left aperture more anteriorly located than right). Caudal rami asymmetrical, right longer than left.


Espèce Hyperbionyx pluto - Planche 2 de figures morphologiquesissued from : S. Ohtsuka, H.S.J. Roe & G.A. Boxshall inSarsia, 1993, 78. [p.72, Fig.2].
Female: A, right A1; B, left A1.

Male: C, terminal fused segment of left A1.
Scales in mm. Holotype: A,B; paratype: C.


Espèce Hyperbionyx pluto - Planche 3 de figures morphologiquesissued from : S. Ohtsuka, H.S.J. Roe & G.A. Boxshall inSarsia, 1993, 78. [p.73, Fig.3].
Female: A, A2; B, terminal part of 2nd endopod segment of A2 (vestigial seta indicated by arrowhead); C, 9th exopod segment of A2; D, Md (mandibular cutting edge); E, Md (mandibular palp); F, Mx1; G, terminal part of exopod of Mx1.
Nota: Mandibular gnathobase heavily chitinized, with 2 stout teeth and row of setules. Mx1 with praecoxal arthrite produced medially, bearing 7 spines and 6 setae; coxal endite developed with 3 setae terminally; coxal epipodite with 2 long, plumose setae; 1st basal endite rudimentary; endopod elongate, 1-segmented, with 1 middle, 1 subterminal and 3 terminal setae; exopod expanded, incompletely fused to basis, with 2 plumose setae terminally plus 1 tube pore (at base of outer seta).
Scales in mm.


Espèce Hyperbionyx pluto - Planche 4 de figures morphologiquesissued from : S. Ohtsuka, H.S.J. Roe & G.A. Boxshall inSarsia, 1993, 78. [p.75, Fig.4].
Female: A, Mx2; B, 2nd coxal endite of Mx2; C, basal endite of Mx2; D, endopod of Mx2; E, Mxp (with the locations of pores indicated by arrowheads); F, 5th endopod segment of Mxp.
Nota: Mx2 well developed, 1st praecoxal endite with 3 setae and 2 small, spiniform elements, 2nd with 1 serrate; 1st coxal endite with 2 serrate setae, 2nd coxal endite (Fig.4B) produced anteriorly, with 1 strongly serrate spine and 2 setae terminally; basal endite (Fig.4C) considerably produced anteriorly, with 1 large serrate spine terminally and 1 moderate serrate seta, 2 weak setae and 1 tube pore subterminally; endopod (Fig.4D) indistinctly 4-segmented, 1st well developed, with 1 heavily chitinized spine and 3 weak setae, 2nd with 3 setae, 3rd with 1 seta, 4th with 2 setae.
Scales in mm.


Espèce Hyperbionyx pluto - Planche 5 de figures morphologiquesissued from : S. Ohtsuka, H.S.J. Roe & G.A. Boxshall inSarsia, 1993, 78. [p.76, Fig.5].
Female: A, P1 (anterior); B, distal two endopod segments of left P1; C, outer margin of 2nd and 3rd exopod segments of P1; D, P2 (anterior); E, P3 (anterior); F, basal seta of P3; G, P4 (anterior); H, P5 (anterior).
Scales in mm.


Espèce Hyperbionyx pluto - Planche 6 de figures morphologiquesissued from : S. Ohtsuka, H.S.J. Roe & G.A. Boxshall inSarsia, 1993, 78. [p.77, Fig.6].
Male: A, habitus (lateral right side); B, rostrum; C, urosome (dorsal, gonopore indicated by large arrowhead, position of missing caudal seta by small arrowhead); D, left A1 (geniculation indicated by arrowhead); E, ancestral segments XIX to XXI (geniculation indicated by arrowhead).
Scales in mm.
Nota: Rostrum as in female. Urosome 5-segmented. Genital somite with gonopore. Left A1 geniculate, indistinctly 26-segmented, geniculation between 20th and 21st segments. ventrolaterally on right side.


Espèce Hyperbionyx pluto - Planche 7 de figures morphologiquesissued from : S. Ohtsuka, H.S.J. Roe & G.A. Boxshall in Sarsia, 1993, 78. [p.79, Fig.7].
Male: A, terminal end of syncoxa of left Mxp; B, terminal end of basis of right Mxp; C, 3rd exopod segment of left P2; D, endopod of left P3; E, 3rd exopod segment of right P3; F, endopod of right P4; G, 3rd exopod segment of left P4; H, P5 (anterior); I, vestigial endopod of left P5; J, terminal seta of 3rd exopod segment of left P5; K, medial spine on 2nd exopod segment of left P5; L, vestigial endopod of right P5.
Scales in mm.


Espèce Hyperbionyx pluto - Planche 8 de figures morphologiquesissued from : S. Ohtsuka, H.S.J. Roe & G.A. Boxshall inSarsia, 1993, 78. [p.79, Fig.7].
Female (SEM micrographs): A, genital double somite (ventral); B, right genital aperture and folds marking plane of fusion between genital and 1st abdominal somites indicated by arrow.
Scale bars: A: 0.2 mm, B: 0.1 mm.

Ref. compl.:
Bradford-Grieve, 2004 (p.283)
NZ: 1

Carte de distribution de Hyperbionyx pluto par zones géographiques
Loc:
NE Atlant. (Cape Verde Is.)
N: 1
Lg.:
(400) F: 10,84-9,96; M: 8,4; {F: 9,96-10,84; M: 8,40}
Rem.: hyperbenthique de profondeur (? 4000 m).
Voir aussi les remarques en anglais
Dernière mise à jour : 06/01/2015

 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 29 mars 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