Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Diaixidae ( Famille )
            Sensiava ( Genre )
Sensiava longiseta  Markheseva & Schulz, 2006   (M, ?F)
Ref.:
Markhaseva & Schulz, 2006 (p.1, Descr.M, figs.M, Rem.: Phylogeny); Markhaseva & Renz, 2011 (p.67, Fig.M); Andronov, 2014 (p.33, fig.M)
Espèce Sensiava longiseta - Planche 1 de figures morphologiquesissued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2006, 1368. [p.4, Fig.1].
Male (from 63°44'S, 33°48'W): A-B, habitus (dorsal and lateral, respectively); C, forehead (right lateral); D, right caudal ramus (dorsal); E, idem (lateral view).
Scale bars: 0.1 mm.

Nota : Prosome 2.5-2.9 times longer than urosome. Rostrum with 2 long filaments. Cephalosome and 1st pedigerous somite incompletely separated, 4th and 5th incompletely fused (suture clearly visible laterally). Caudal rami with 4 terminal setae, 1 ventral seta and 1 small dorsal seta.


Espèce Sensiava longiseta - Planche 2 de figures morphologiquesissued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2006, 1368. [p.5, Fig.2].
Male: A, right A1, segments1-14 (ancestral segments I-XVII); B, idem, segments 15-23 (ancestral segments XVIII-XXVIII); C, idem, segments 15-20 (ancestral segments XVIII-XXIV).
Scale bars: 0.1 mm.

Nota: Right A1 geniculate, 23-segmented. Segment 2 is a complex of ancestral segments II-IV.


Espèce Sensiava longiseta - Planche 3 de figures morphologiquesissued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2006, 1368. [p.6, Fig.3].
Male: A, left A1, segments 1-7 (ancestral segments I-IX); B, idem, segments 8-17 (ancestral segments X-XX); C, idem, segments, 18-24 ( ancestral segments XXI-XXVIII); D, P1; E, basis of P1; F, endopod endopod of P1 (other position); G, P5; H, right P5 exopod; I-K, left P5 exopod (different positions); L, left P5 exopodite segment 2.
Scale bars: 0.1 mm.

Nota: Left A1 24-segmented, differs in setation from right one.


Espèce Sensiava longiseta - Planche 4 de figures morphologiquesissued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2006, 1368. [p.8, Fig.4].
Male: A, exopod of A2; B, A2 (coxa, basis and endopod); C, Md (mandibular palp); D-E, Md (gnathobase; different positions); F, Mx1 (posterior view); G, praecoxal endite of Mx1 (anterior view).
Scale bars: 0.1 mm.

Nota : Left A1 24-segmented, exceeding caudal rami by distal segment. A2 : coxa with 1 seta ; basis with 2 setae ; exopod 8-segmented with 0,1, 1, 1, 1, 1, 1, and 3 setae ( the 2nd proximal segment is a compound segment of 3 fused segments (coma represents an arthropodial membrane, dash represents absence of an arthropodial membrane, see Markhaseva & Ferrari, 2005), about 1.5 times as long as endopod ; 1st endopodal segment with 1 seta, 2nd with 6 and 6+2 setae. Md : gnathobase with 5 large and 3 small spine-like teeth plus dorsal seta. Mx1 : praecoxal endite with 9 terminal spines, 1 anterior and 4 dorsal setae ; coxal endite with 3 setae ; proximal basal and distal basal endites with 4 setae each ; endopod with 9 setae ; exopod with 8 setae ; coxal epipodite with 9 setae. P1 : basis with medial distal seta strongly curved ; endopod 1-segmented with lateral lobe ornamented with denticles and 4 pores. P5 asymmetrical, right leg uniramous, left leg biramous ; coxae fused, of similar size ; right leg exopod 3-segmented ; left endopod 1-segmented


Espèce Sensiava longiseta - Planche 5 de figures morphologiquesissued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2006, 1368. [p.9, Fig.5].
Male: A, Mx2 (sensory setae partly figured); B-C, sensory setae of Mx2 endopod.
Scale bars: 0.1 mm.

Nota : Mx2 : proximal praecoxal endite with 5 setae ; distal praecoxal endite with 3 setae ; proximal coxal endite with 3 setae (1 worm-like sensory seta and 1 seta more sclerotized) ; distal coxal endite with 3 setae, 2 setae more sclerotized ; proximal basal endite with 4 setae (2 more sclerotized, 2 worm-like, sensory) ; distal basal endite plus endopod with 8 sensory setae (3 longer, worm-like, 5 shorter, brush-like).


Espèce Sensiava longiseta - Planche 6 de figures morphologiquesissued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2006, 1368. [p.10, Fig.6].
Male: A, Mxp (setae partly figured); B, syncoxa of Mxp; C, basis and endopod of Mxp.
Scale bars: 0.1 mm.

Nota : Mxp : syncoxa with 1 sclerotized seta on proximal praecoxal lobe, 2 setae on middle lobe and 3 setae (2 sclerotized, 1 poorly sclerotized) on distal praecoxal lobe ; coxal lobe with 3 setae ; basis with 3 medial and 2 distal setae ; endopod 5-segmented with 4, 4, 3, 3+1 and 4 setae, 2 setae on segment 5 thicker and very long.


Espèce Sensiava longiseta - Planche 7 de figures morphologiquesissued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2006, 1368. [p.11, Fig.7].
Male: A, P2; B, P3; C, P4. All posterior views.
Scale bars: 0.1 mm.


Espèce Sensiava longiseta - Planche 8 de figures morphologiquesissued from : E.L. Markhaseva & J. Renz in Zootaxa, 2011, 2889. [p.67, F]. Changed and schematized after Markhaseva & Schulz (2006).
Male: F, P5 (Nota: right basis in grey).


Espèce Sensiava longiseta - Planche 9 de figures morphologiquesIssued from : E.L. Markhaseva in Zootaxa, 2014, 3802 (2). [p.235, Fig.13]. As Sensiava cf. longiseta.
Female (from 14°59'S, 29°56'W): A, spermatheca (lateral view); B, A2, coxa, basis, senopodal segment 1; C, Md, cutting edge; D, Mx1 (arrow marks distalmost terminal seta curved at the apex); E, Mx2; F, Mxp syncoxa; G, Mxp, basis, distal setae not figured ; I, P1.
Scale bars: 0.1 mm.


Espèce Sensiava longiseta - Planche 10 de figures morphologiquesIssued from : V.N. Andronov in Russian Acad. Sci. P.P. Shirshov Inst. Oceanol. Atlantic Branch, Kaliningrad, 2014. [p.33, 8a, 8b]. Sensiava longiseta after Markhaseva & Schulz, 2006 : segments XVIII- XXIV of left and right A1 male, respectively.

NZ: 1

Carte de distribution de Sensiava longiseta par zones géographiques
Loc:
Antarct. (Weddell Sea)
N: 2
Lg.:
(959) M: 4,6-4,8; (1171) F: 4,8; {F: 4,80; M: 4,60-4,80}
Rem.: épibenthique (4745-4975 m);
Cette espèce est provisoirement placée dans la famille des Diaixidae.
Voir aussi les remarques en anglais
Dernière mise à jour : 18/04/2016

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

Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2021. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 30 novembre 2021]

© copyright 2005-2021 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