Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Arietelloidea ( Superfamille )
        Heterorhabdidae ( Famille )
            Disseta ( Genre )
Disseta scopularis  (Brady, 1883)   (F,M)
Syn.: Leuckartia scopularis Brady, 1883 (p.51, Descr.M, figs.M);
Disseta maxima Esterly, 1911 (p.330, figs.F); Sewell, 1948 (p.553, 563); C.B. Wilson, 1950 (p.198); Brodsky, 1950 (1967) (p.344, figs.F); Lee & al., 1971 (p.1151); Galbraith, 2009 (pers. comm.)
Ref.:
A. Scott, 1909 (p.134, figs.M); Sewell, 1947 (Rem.: p.189); C.B. Wilson, 1950 (p.198, Redescr.F,M, figs.F,M, Rem.); Tanaka, 1964 a (p.34, figs.F,M); Chihara & Murano, 1997 (p.816, Pl.117: F,M); Park, 2000 (p.18, figs.F,M, Rem.)
Espèce Disseta scopularis - Planche 1 de figures morphologiquesissued from : T. Park in Bull. Scripps Inst. Oceanogr. Univ. California, San Diego, 2000, 31. [p.156, Fig.4].
Female: a, habitus (left side); b, c, forehead (left, dorsal, respectively); d, e, urosome (left, dorsal, respectively); f, g, genital somite (left, ventral, respectively); h, left Mx1 (posterior); i, exopod of P1 (anterior); j, exopod of P2 (anterior).

Nota: Dorsally, genital somite relatively long, with tubercular lateral swellings; P5, 2nd exopodal segment with a long outer spine.


Espèce Disseta scopularis - Planche 2 de figures morphologiquesissued from : T. Park in Bull. Scripps Inst. Oceanogr. Univ. California, San Diego, 2000, 31. [p.157, Fig.5];
Female: a, exopod of P3 (anterior); b, exopod of P4 (anterior); c, exopod of P5 (anterior).

Male: d, P5 (anterior); e, exopod of left P5 (posterior); f, idem (with proximal and distal parts omitted), anterior; g, exopod of right P5 (posterior); h, idem (anterior); i, idem (anterior, tilted counterclockwise); j, idem (posterior); k, idem (posterior, tilted clockwise). mpr = medial projection.


Espèce Disseta scopularis - Planche 3 de figures morphologiquesissued from : O. Tanaka in Publs Seto Mar. Biol. Lab., 1964, XII (1). [p.35, Fig.191].
Female: a, urosome (dorsal); b, last thoracic segment and genital somite (lateral left side); c, A2; d, masticatory edge of Md; ; e, Mx2; f, P1; g, P5.
Nota: A1 exceed the end of the furca by distal 5 segments. The urosome segments and furca are in the proportional lengths as 31:15:13:10:31 = 100

Male: h, habitus (dorsal); i, P5; j, 2nd and 3rd segments of exropod right P5.
Right A1 exceeds the end of the furca by distal 2 segments. Left A1 forming a grasping organ. The urosome segments and furca (left) are in the proportional lengths as 13:16:16:13:11:31 = 100.


Espèce Disseta scopularis - Planche 4 de figures morphologiquesissued from : A. Scott in Siboga-Expedition, 1909, XIX a. [Plate XLII, Figs.1-9].
Male (from Banda Sea): 1, habitus (dorsal); 2, forehead (lateral); 3, last thoracic and genital segments (left side); 4, Md (biting edge); 5, Mx1; 6, Mx2; 7, P1; 8, end segment of exopodite of P4; 9, P5 (L= left leg, R = right leg).


Espèce Disseta scopularis - Planche 5 de figures morphologiquesissued from : C.B. Wilson in U.S. National Museum. Bull.100, 14 (4), 1950. [Pl.6, Figs.47, 48].
Female: 47, habitus (dorsal); 48, idem (lateral left side).


Espèce Disseta scopularis - Planche 6 de figures morphologiquesissued from : C.B. Wilson in U.S. National Museum. Bull.100, 14 (4), 1950. [Pl.6, Figs.49, 50].
Female (E tropical Pacific ): 49, P5.

Male: 50, P5.


Espèce Disseta scopularis - Planche 7 de figures morphologiquesissued from : C.O. Esterly in Univ. Calif. Publs Zool., 1911, 6 (14). [Pl.29, Figs.54, 58]. As Disseta maxima.
Female (from San Diego Region): 54, forehead (lateral); 58, part of thorax and urosome (lateral, right side).

Nota: Left caudal ramus longer than the right by about one-third the length of the latter. A1 very long, one-fitth of their length longer than the body. Genital segment as long as the other three together, and the anal segment less than one-third the length of the genital. The genital eminence is at middle of the segment.


Nota after Brodsky (1950 [1967]): Diagnostic characters female: Inner bristle of 2nd segment of exopodite of P5 very long and massive, longer than distal segment of same exopodite.


Espèce Disseta scopularis - Planche 8 de figures morphologiquesissued from : C.O. Esterly in Univ. Calif. Publs Zool., 1911, 6 (14). [Pl.30, Fig.79]. As Disseta maxima.
Female: 79, P5.


Espèce Disseta scopularis - Planche 9 de figures morphologiquesIssued from : G.S. Brady in Rep. Scient. Results Voy. Challenger, Zool., 1883, 8 (23). [Pl. XIV, Figs.1-5]
Male: 1, Right A1; 2, geniculating portion of left A1; 3, left P5 (on complete); 4, right P5; 5, urosome.


Espèce Disseta scopularis - Planche 10 de figures morphologiquesDisseta scopularis female:
1 - Dorsally, genital somite (Fig.4-e) relatively long, with tubercular lateral swellings.
2 - P5 2nd exopodal segment with a long outer spine (Fig.5-c).


Espèce Disseta scopularis - Planche 11 de figures morphologiquesDisseta scopularis male:
1 - Left P5 (Fig.5-f), 2nd exopodal segment without a large lateral spiniform process.
2 - Left P5 (Fig.5-d), 2nd endopodal segment without an anterodistal lobe; 3nd exopodal segment with a large terminal spine.

Ref. compl.:
Sewell, 1948 (p.558, 560, 562, Rem.); Itoh, 1970 a (p.5: tab.1); Galbraith, 2009 (comm. pers.); in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, comm. pers.)
NZ: 8

Carte de distribution de Disseta scopularis par zones géographiques
Loc:
Indonesia-Malaysia (Molucca Sea), Philippines, China Seas (East China Sea), Japan (Izu, Sagami Bay), off British Columbia, off San Diego, Pacif. (tropical), off Peru, SW Galapagos, NE Marquesas Is., off Chile
N: 9
Lg.:
(5) M: 9,75; (121) F: 9,6; M: 8,76; (137) F: 11-10; M: 9,5-9; (143) F: 9,4; (824) F: 10,66-8,66; M: 10-8,5; {F: 8,66-11,00; M: 8,50-10,0}
Rem.: bathypélagique.
Voir aussi les remarques en anglais
Dernière mise à jour : 17/10/2017

 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 14 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