Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Stephidae ( Famille )
            Stephos ( Genre )
Stephos kurilensis  Kos, 1972   (F,M)
Ref.:
Kos, 1972 a (1973) (p.113, figs.F,M); Bradford-Grieve, 1999 a (p.25, Table1: Rem.); Kos, 2016 (p.13, figs.F, M, Rem.)
Espèce Stephos kurilensis - Planche 1 de figures morphologiquesissued from : M.S. Kos in Crustaceana, 1972, 23 (2). [p.114, Fig.1].
Female (Izmena bay, Kunashir Island): A-B, habitus (dorsal and lateral, respectively).
Nota: Head and Th1 fused, 4th and 5th fused.
Last thoracic segment asymmetrical, the right side more elongated, extending to the middle of the genital segment; the distal corner of the segment widely rounded in lateral view.
Rostal prominence low, without filaments.
Urasome 4-segmented, its length is less than 1/3 of the cephalothorax.
Genital segment swollen on the left lateral margin.
Caudal rami symmetrical, with 4 strong and 1 small setae, the innermost seta arises separately from the distal margin of the ramus.


Espèce Stephos kurilensis - Planche 2 de figures morphologiquesissued from : M.S. Kos in Crustaceana, 1972, 23 (2). [p.115, Fig.2].
Female: A, A1; B, A2; C, Md; D, Mx1; E, Mx2; F, Mxp; G-J, P1 to P4; K, P5.
Nota: A1 symmetrical, 24-segmented, reaching almost the proximal margin of the genital segment.
A2 with protopod 2-segmented; exopod longer than the endopod; exopod 5-segmented with 3 terminal setae and 6 setae along the inner edge; endopod 2-segmentd, last segment with 6 terminal setae.
Denticulate orocess of Md with 9 teeth; basipod with 4 strong setae along the inner edge; exopod 4-segmented with 6 setae; endopod 2-segmented, its 1st segment with a few setae, 2nd segment with 8 terminal setae.
P5 symmetrical, 3-segmented; terminal segment short and broad basally, its slightly narrows distally, the external distal edge is strongly serrate, at its base it carries a short, thick, strongly serrate process, which tapers apically.


Espèce Stephos kurilensis - Planche 3 de figures morphologiquesissued from : M.S. Kos in Crustaceana, 1972, 23 (2). [p.116, Fig.3].
Male: A-B, habitus (dorsal and lateral, respectively); C, P5.
Nota: Mouth parts and swimming legs as in female.
Right leg of P5 long and slender, 4-segmented, 3th segment very slender and long, it bears 1 small outside spine; last segment claw-like and carries 2 processes on the inner proximal margin; left leg 5-segmented, the penultimate segment is the largest and the most massive, it has a complex cristate formation; the terminal segment carries a number of plates and cristate formations in a complex arrangement.


Espèce Stephos kurilensis - Planche 4 de figures morphologiquesIssued from : M.S. Kos in Zoological Institut RAS, St. Petersburg, 2016, 179. [p.20, Fig.5]. Stephos kurilensis female and male.


Espèce Stephos kurilensis - Planche 5 de figures morphologiquesIssued from : M.S. Kos in Zoological Institut RAS, St. Petersburg, 2016, 179. [p.21, Fig.6]. Stephos kurilensis female.
Note the teeth of the edge of Md and P2.


Espèce Stephos kurilensis - Planche 6 de figures morphologiquesIssued from : M.S. Kos in Zoological Institut RAS, St. Petersburg, 2016, 179. [p.22, Fig.7]. Stephos kurilensis female: P1, P2 and P4.

NZ: 1

Carte de distribution de Stephos kurilensis par zones géographiques
Loc:
NW Pacif. (Kuril Islands)
N: 1
Lg.:
(556) F: 1,42-1,26; M: 1,35-1,23; {F: 1,26-1,42; M: 1,23-1,35}
Rem.: côtière.
Voir aussi les remarques en anglais
Dernière mise à jour : 08/02/2019

 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 21 novembre 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