Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Aetideidae ( Famille )
            Euchirella ( Genre )
Euchirella grandicornis  Wilson, 1950   (F)
Syn.: Euchirella galeata : Giesbrecht, 1892 (part. p.241, Pl.36, fig.22); C. B. Wilson, 1950 (p.221, F pro parte, non Pl.9, fig.89, Pl.23, fig.337 )
Ref.:
C. B. Wilson, 1950 (part., p.223, figs.F pro parte: Pl.9, fig.89, non M); Tanaka & Omori, 1969 (p.45, figs.F, Rem.); Bradford & Jillett, 1980 (p.32, Rem.); Vaupel Klein, 1984 a (p.38, Table II: characters, Rem.); Markhaseva, 1996 (p.156, figs.F)
Espèce Euchirella grandicornis - Planche 1 de figures morphologiquesissued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.158, Fig.120].
Female (specimen from the Philippines Sea). Ce: forehead (dorsal, left aand right lateral, respectively; CP4: coxopod of P4.

Nota: Cephalothorax 4.0-4.6 times longer than urosome.
Rostrum small, pointed.
A1 23-segmented, reaching the end of caudal rami.
Exopod of A2 2.6 times longer than endopod; endopodal segment 2 with 6 setae on each lobe.
Gnathobase of Mx1 with 3 setae on posterior surface, and 4 and 2 setae (Tanaka & Omori, 1969, mentioned 3 setae) on 2nd and 3rd internal lobes respectively; protopodite near endopod base with 3 setae; endopod with 4 setae (3 after Tanaka & Omori, 1969); exopod with 11 setae; external lobe with 7-8 setae.
Genital segment nearly as long as wide, asymmetrical, with small projection on back side in posterior half on the left (dorsal and lateral view)


Espèce Euchirella grandicornis - Planche 2 de figures morphologiquesissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.61, Fig.4, c].
Female: c, helmet-shaped crest on forehead (left lateral side).


Espèce Euchirella grandicornis - Planche 3 de figures morphologiquesissued from : C.B. Wilson in Bull. U.S. natn. Mus., 1950, 100, 14 (4). [Pl. 10, Figs.101, 103, 104-105].
Female (from 18°47'S, 89°26'W): 101, habitus (dorsal); 103, idem (lateral); 104,Mx2; 105, Mxp.


Espèce Euchirella grandicornis - Planche 4 de figures morphologiquesissued from : C.B. Wilson in Bull. U.S. natn. Mus., 1950, 100, 14 (4). [Pl. 9, Figs.98-100].
Female: 98, A2; 99, Md; 100, P4.


Espèce Euchirella grandicornis - Planche 5 de figures morphologiquesissued from : O. Tanaka & M. Omori in Publ. Seto mar. Biol. Lab., 1969, XVII, 1. [p.46, Fig.5].
Female (from Pacific): a-b, forehead (dorsal and lateral, respectively); c-d, last thoracic segment and urosome (dorsal and lateral, respectively); e, A2; f, Mx1; g, P1; h, P4; i, lateral spine of the 1st basal segment of P4.


Espèce Euchirella grandicornis - Planche 6 de figures morphologiquesIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892, 19 , Atlas von 54 Tafeln. [Taf.36, Fig.22]. As Euchirella galeata.
Female: 22, urosome (lateral).


Espèce Euchirella grandicornis - Planche 7 de figures morphologiquesEuchirella grandicornis female:
1 - Genital segment asymmetrical.
2 - Crest present.
3 - Coxopodite of P4 with 1 spine.
4 - Posterior corners of last thoracic segment symmetrical, rounded-rectangular (dorsal and lateral view). Endopodal segment 2 of A2 with 6 setae on each lobe.
5 - Crest low.


Espèce Euchirella grandicornis - Planche 8 de figures morphologiquesissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.66, Fig.7, e].
Euchirella grandicornis e, A2 arrangements of spinules and hairs on the posterior edge of endopodite 2+3 (right appendage of medial view ): ± 10 long spinules distally plus a proximal bundle of more than 10 thin hairs (or: hair-like spinules).


Espèce Euchirella grandicornis - Planche 9 de figures morphologiquesIssued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.93, Table II ].
Euchirella grandicornis 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 grandicornis - Planche 10 de figures morphologiquesIssued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.94, Table II (cont' d) ].
Euchirella grandicornis 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 grandicornis - Planche 11 de figures morphologiquesIssued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.95, Table II (cont' d) ].
Euchirella grandicornis 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).

Ref. compl.:
Galbraith, 2009 (pers. comm.)
NZ: 4

Carte de distribution de Euchirella grandicornis par zones géographiques
Loc:
Peru - Easter Island, NE Pacif. (tropical), SE Indian (in Chiba & al., 1957 a, p.11), Vancouver Is.
N: 7
Lg.:
(110) F: 6,8-5,97; (137) F: 7; (1257): 6,0-6,7; {F: 5,97-7,00}
Rem.: La femelle est souvent confondue avec E. galeata.
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., 2005-2021. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 11 avril 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