Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Diaptomoidea ( Superfamille )
        Temoridae ( Famille )
            Eurytemora ( Genre )
Eurytemora richingsi  Heron & Damkaer, 1976   (F,M)
Ref.:
Heron & Damkaer, 1976 (p.128, Descr.F,M, figs.F,M); Kos, 2016 (p.91, figs. 49, figs.F,M, Rem.)
Espèce Eurytemora richingsi - Planche 1 de figures morphologiquesissued from : G.A. Heron & D.D. Damkaer in Proc. Biol. Soc. Wash., 1976, 89 (8). [p.130, Figs.1-5].
Female (from 83°14', 153°48'-154°02'W): 1, habitus (left lateral); 2, posterior of prosome and urosome (dorsal); 3, genital segment (ventral); 4, right Md; 5, P1 (anterior).
Scale bars: 0.10 mm.; a : figs. 1, 2; b: figs. 3, 5; c: fig. 4.

Nota :
- A1 25-segmented, segments 8-9 and 24-25 with incomplete sutures.
- Md with wide gap on blade separating outer denticle, hyaline setules between anda t bases of some denticles and anterior edge ;
- A2, Mx1, Mx2 , and Mxp with setation and segmentation typical for the genus.
- P1 atypical for the genus : endopod with 8 instead of 6 setae, and incipient segmentation on anterior surface, anterodistal cluster of setules on 1st basipod.
- Caudal rami length about equal to that of anal segment, inner marginal hairs.


Espèce Eurytemora richingsi - Planche 2 de figures morphologiquesissued from : G.A. Heron & D.D. Damkaer in Proc. Biol. Soc. Wash., 1976, 89 (8). [p.132, Figs.6-10].
Female: 6, P2 (anterior); 7, P3 (anterior); 8, P4 (anterior); 9, P5 (anterior); 10, left P5 (posterior).
Scale bars: b (figs. 6-9); c (fig. 10).

Nota : P2 to P4 with setation and segmentation typical for the genus P5 with outer sclerotized margins, conspicuous at posterior articulation of exopod ; 1st exopod with 2 finely barbe douter spines ; robust inner spinous process with anterior and posterior row of short spinules ; exopodal segment 2 small, oval, with 2 outer and 1 terminal finely barbed, sinuate spines, 2 delicate setules on inner margin.


Espèce Eurytemora richingsi - Planche 3 de figures morphologiquesissued from : G.A. Heron & D.D. Damkaer in Proc. Biol. Soc. Wash., 1976, 89 (8). [p.134, Figs.11-17].
Male: 11, habitus (right lateral); 12, urosome (dorsal); 13, right A1 (segments 4-12, spine solid); 14, right A1 (segment 16); 15, P5 (anterior); 16, P5 (posterior); 17, left P5 (2nd exopodal segment, anterior).
Scale bars: a (figs. 11, 12); b (figs.15, 16); c (figs.17); d (figs 13, 14). d = 0.10mm.

Nota :
- A2, Md, Mx1, Mx2, and Mxp like those of female.
- P1 to P4 similar to those of female.
- P5 with 1st basal segments fused left to right ; left ramus 3-segmented, exopodal segment 2 with distinctive mitten shape with 2 outer spines and 2 spines on the articulated thumb, dense clusters of setules on distal surfaces ; right ramus 4-segmented. Several other Eurytemora species have bulbous projections on the left terminal exopod, but none is described as being articulate.


Espèce Eurytemora richingsi - Planche 4 de figures morphologiquesissued from : G.A. Heron & D.D. Damkaer in Proc. Biol. Soc. Wash., 1976, 89 (8). [p.133, Table 3].
Armature setation of A1 female and male.

Ref. compl.:
Kosobokova & al., 1998 (tab.2); Kosobokova & al., 2011 (p.29, Table 2, Rem.: Arctic Basins)
NZ: 1

Carte de distribution de Eurytemora richingsi par zones géographiques
Loc:
Arctic ( Fletcher's Ice Island, Laptev Sea, Nansen Basin, Amundsen Basin, Canada Basin)

Type locality: 83°14' N, 153°48' W.
N: 4
Lg.:
(568) F: 1,8-1,68; M: 1,56-1,4; {F: 1,68-1,80; M: 1,40-1,56}
Rem.: marine
Voir aussi les remarques en anglais
Dernière mise à jour : 30/04/2020

 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 28 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