Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Aetideidae ( Famille )
            Euchirella ( Genre )
Euchirella speciosa  Grice & Hülsemann, 1968   (F)
Ref.:
Grice & Hülsemann, 1968 (p.325, Descr.F, figs.F, tab.2); Tanaka & Omori, 1969 a (p.160, Rem.); Bradford & Jillett, 1980 (p.43, figs.F, fig. 73, distribution chart); Vaupel Klein, 1980 (p.152); 1984 a (p.46, 49, figs.F, Table II: characters, Rem.); Markhaseva, 1996 (p.167, figs.F)
Espèce Euchirella speciosa - Planche 1 de figures morphologiquesissued from : J.M. Bradford & J.B. Jillett in Mem. N.Z. oceanogr. Inst., 86, 1980. [p.45, Fig.28].
Female: A, habitus (lateral left side); B, idem (dorsal); C, genital segment (lateral left side); D, idem (lateral right side); E, idem (dorsal); F, basipod 1 of P4.Nota: The south-west Pacific specimens agree more closely with E. speciosa Grice & Hulsemann, 1968 than with E. venusta.


Espèce Euchirella speciosa - Planche 2 de figures morphologiquesissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.76, Fig.14, b].
Female: b, exopodite 2 of Mxp (with 3 setae).
Scale bar = 0.2 mm.


Espèce Euchirella speciosa - Planche 3 de figures morphologiquesissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.84, Fig.18, a, j, l].
Female: a, number and structure of spines among the lateral margin of exopodal segments 1, 2 and 3 of P1 (left appendage, posteriotr view) (note: 3 unequal spines, the proximal two largely smooth, the distal one minutely pectinate (corresponding to exopodites 1, 2 and 3 respectively); j, stage in fusion of endopodal segments 1-2+3 of P2 (right leg, anterior face, drawn from posterior) (note: fully coalesced condition; l, lateral margin of exopodal segment 2 of P2 (left appendage, posterior view).
Scale bars: p = 0.2 mm for l; q = 0.2 mm for a and j.


Espèce Euchirella speciosa - Planche 4 de figures morphologiquesissued from : G.D. Grice & K. Hulsemann in Pacif. Sci., 1968, 22 (3). [p.326, Figs.14-19].
Female (from SE Pacific): 14, habitus (dorsal); 15, anterior end of head (lateral); 16, 4th and 5th thoracic segments (left lateral view); 17, idem (right lateral view); 18, A2; 19, 1st basipodal segment of P4.

Nota: Head and 1st thoracic segment fused, 4th and 5th fused. Head witout crest. Genital segment asymmetrical, in dorsal view right side smooth, left side with 2 small swellings. One-pointed rostrum, directed downward. A1 24-segmented (segments 8 and 9 fused), reaching caudal rami. Endopod of A2 about 1/4 of exopo; outer lobe of terminal segment of endopod with 5, inner lobe with 4 setae. Endopod of P1 1-segmented, exopod 2-segmented with 3 straight external spines. Endopod of P2 1-segmented, exopod 3-segmented. Endopods and exopods of P3 and P4 3-segmented. Posterior surface of 1st basipodal segment of P4 with 2 rather strong, unequal spines.


Espèce Euchirella speciosa - Planche 5 de figures morphologiquesissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.69, Fig.9, b].
Female: b, setal armature on the posterior face of the 1st inner lobe of basipodal segment 1 of left Mx1 (3 setae, numbered 1 to 3 in a proximal to distal order to compare other species, here seta 4 absent contrary in E. rostrata).
Scale bar: 0.1 mm.


Espèce Euchirella speciosa - Planche 6 de figures morphologiquesEuchirella speciosa female:
1 - Genital segment asymmetrical.
2 - Crest absent.
3 - Genital segment with left lateral side swelled (dorsal view).
4 - Coxopodite of P4 with 2 spines.
5 - Endopodal segment 1 of Md without seta.
6 - Endopodal segment 2 of A2 with 5 setae on external lobe and 4 setae on internal lobe.
7 - Genital segment in dorsal view left side with 2 small projections (bilobated).


Espèce Euchirella speciosa - Planche 7 de figures morphologiquesissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.68, Fig.8, l].
Euchirella speciosa: Structure and setal complement of endopod 1 of Md (right, posterior). A very minute setal vestige (arrow), as in Euchirella messinensis).


Espèce Euchirella speciosa - Planche 8 de figures morphologiquesissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.68, Fig.8, o].
Euchirella speciosa: Accessory setae on endopodite 2 of Md (right appendage in posterior view). No accessory setae, only the regular terminal row of 9 setae present.


Espèce Euchirella speciosa - Planche 9 de figures morphologiquesIssued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.93, Tableau II].
Euchirella speciosa Female: Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).


Espèce Euchirella speciosa - Planche 10 de figures morphologiquesIssued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.93, Tableau II].
Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).


Espèce Euchirella speciosa - Planche 11 de figures morphologiquesIssued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.93, Tableau II].
Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).

Ref. compl.:
Lo & al., 2004 (p.89, tab.1)
NZ: 3

Carte de distribution de Euchirella speciosa par zones géographiques
Espèce Euchirella speciosa - Carte de distribution 2Issued from : J.M. Bradford & J.B. Jillett in New Zealand Ocean. Inst. Memoir, 86, 1980. [p.88-89, Figs.65-67].
Distribution of several species of Euchirella in the Tasman Sea and around New Zealand.
Nota: Euchirella indica (= Euchirella massinensis indica).
Loc:
SE Pacif. (off Juan Fernandez Is.), New Zealand, China Seas (East China Sea), Taiwan (N: Mienhua Canyon).

Type locality: 31°S, 90°W.
N: 4
Lg.:
(100) F: 4,92; (201) F: 5,1-4,4; (242) F: 4,9; (1257) F: 4,6-5,1; {F: 4,40-5,10}
Rem.: épi-bathypélagique.
Lo & al. (2004) semblent signaler cette espèce pour la première fois dans le Pacifique NW (Taiwan).
Voir aussi les remarques en anglais
Dernière mise à jour : 22/02/2021

 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 15 octobre 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