Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Diaixidae ( Famille )
            Sensiava ( Genre )
Sensiava peculiaris  Markheseva, 2014   (F)
Ref.:
Markhaseva, 2014 (p.228, Descr.F, figs.F); Laakmann & al., 2019 (p.330, fig. 2, 3, 4, phylogenetic relationships)
Espèce Sensiava peculiaris - Planche 1 de figures morphologiquesIssued from : E.L. Markhaseva in Zootaxa, 2014, 3802 (2). [p.229, Fig.9].
Female (from G. of Guinea largo sensu): A-B, habitus (dorsal and lateral, respectively); C, rostrum (dorsal view); D, same (lateral); E-F, posterior prosome and urosome (dorsal and lateral, respectively); G, genital field (lateral view).
Scale bars: A-B, 0.5 mm; C-H, 0.1 mm.

Nota: Prosome 3.7-4.1 times as long as urosome.
Rostrum as 2 filaments.
Cephalosome and 1st pedigerous somite invompletely separate, 4th and 5th completerly separate.
Posterior corners of prosome in dorsal view trianguylar; as short rounded in lateral view.
Urosome of 4 somites.
Spermatheca elongate, narrow and rounded distally, directed anteriorly.
Caudal rami with 1 dorsal, 1 ventral and 4 terminal setae.


Espèce Sensiava peculiaris - Planche 2 de figures morphologiquesIssued from : E.L. Markhaseva in Zootaxa, 2014, 3802 (2). [p.230, Fig.10].
Female: A, A1, articulating segments 1-14 (ancestral segments I-XVII); B, same, articulating segments 15-24 (ancestral segments XVIII-XXVIII); C, A2; D, Md; E, Md gnathobase; F, Mx1 (arrow marks distalmost terminal seta curved at the apex).
Scale bars: 0.1 mm.

Nota: A1 nearly as long as body, or reaching to caudal rami, of 24 articulating segments.
Md: gnathobase without crest, cutting edge with 5 large and 3 small teeth near dorsal seta; basis with 3 setae; exopod 5-segmented with setal formula 1, 1, 1, 1, 2; endopod segment 1 with 2 setae, segment 2 with 9 setae.
Mx1: praecoxal arthrite with 9 marginal, 3 posterior and 1 anterior setae, distalmost praecoxal arthrite terminal seta curved at apex; coxal endite with 4 setae; xoxal epipodite with 7 long and 1 short seta; proximal basal endite with 4 setae, distal basal endite with 4 setae; endopod with 9 (3+6) setae; exopod with 8 setae.


Espèce Sensiava peculiaris - Planche 3 de figures morphologiquesIssued from : E.L. Markhaseva in Zootaxa, 2014, 3802 (2). [p.231, Fig.11].
Female: A, Mx2 (sensory setae of endopod are not figured); B, Mx2, sensory setae of endopod; C, Mxp; D, P1.
Scale bars: 0.1 mm.

Nota: Mx2: praecoxal endite (anteriorly as proximal praecoxal endite) with 4 setae and 1 small attenuation; coxal endite (anteriorly as distal praecoxal endite) with 3 setae; basal endites (anteriorly as coxal endites) with 3 setae each, 1 seta of proximal basal endite sensory, worm-like; enditic-like lobe of proximal endopodal segment (anteriorly as proximal basal endite) with 4 setae (2 sensory and worm-like); setae of the maxilla basal endites and enditic-like lobe of endopod are similar in shape and size, curved distally: endopod with 3 worl-like and 5 brush-like sensory setae.
Mxp: syncoxa with 1 sclerotized seta on proximal endite, 1 worm-like and 1 sclerotized setae on middle praecoxal endite and 2 sclerotized and 1 worm-like setae on distal praecoxal endite; coxal lobe with 3 setae. Basis with 3 proximal setae and 2 distal setae. Endopod 5-segmented with setal formula 4, 4, 3, 3+1, 4.


Espèce Sensiava peculiaris - Planche 4 de figures morphologiquesIssued from : E.L. Markhaseva in Zootaxa, 2014, 3802 (2). [p.2232 Fig.12].
Female: A, P2; B, P3; C, P4; D, P5.
Scale bars: 0.1 mm.

NZ: 1

Carte de distribution de Sensiava peculiaris par zones géographiques
Loc:
S Atlantic (equatorial)

Type locality: 00°01'S, 02°29'W.
N: 1
Lg.:
(1171) F: 2,80-3,0; {F: 2,80-3,0}
Rem.: hyperbenthic (above sea bed at abyssal depths 4602 -5430 m)
Dernière mise à jour : 02/04/2019

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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 04 décembre 2021]

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