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Fiche d'espèce de Copépode |
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Calanoida ( Ordre ) |
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Clausocalanoidea ( Superfamille ) |
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Aetideidae ( Famille ) |
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Gaetanus ( Genre ) |
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Gaetanus secundus Esterly, 1911 (F,M) | |
| | | | | | | Syn.: | Gaetanus ferox : With, 1915 (p.111, figs.M); Grice & Hulsemann, 1967 (p.15, 23, figs.M); ? Vives, 1982 (p.291); Lozano Soldevilla & al., 1988 (p.58);
Gaetanus sp. Roe, 1972 (p.277, tabl.1, tabl.2);
Gaetanus miles : Park, 1975 a (p.19, figs.F,M) | | | | Ref.: | | | Esterly, 1911 (p.317, Descr.F, figs.F, Rem. juv.M); Sewell, 1947 (p.57, 58); Davis, 1949 (p.29, Rem.F); Brodsky, 1950 (1967) (p.167, figs.F); Vervoort, 1963 b (p.131); Park, 1975 a (p.10); Markhaseva, 1996 (p.217, figs.F,M, Rem.: p.221); Vives & Shmeleva, 2007 (p.586, figs.F,M, Rem.) |  issued from : T. Park in Bull. Mar. Sci., 1975, 25 (1). [p.18, Fig.4]. As Gaetanus miles. Female: A, B, habitus (lateral, dorsal); C, forehead (lateral); D, posterior part of metasome and urosome (dorsal); E, idem (lateral); F, Mxp; G, P1 (anterior); H, coxa of P4 (posterior). Male: I, J, habitus (dorsal, lateral); K, L, forehead (dorsal, lateral).
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 issued from : T. Park in Bull. Mar. Sci., 1975, 25 (1). [p.20, Fig.5]. As Gaetanus miles. Male: A, posterior part of metasome and urosome (lateral view); B, last metasomal and genital segments (dorsal); C, A2; D, mandibular palp; E, Mx1; F, Mxp; G, P1 (anterior); H, P2 (anterior); I, P5 (posterior); J, last two exopodal segments of P5 (medial). P1, P2, P5: legs.
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 issued from : G.D. Grice & K. Huisemann in Proc. U.S. natn. Mus., 1967, 122 (3583). [p.51, Figs.56-59]. As .
Male (from Indian Ocean): 56, 5th thoracic segment and urosome (dorsal); 57, forehead (lateral); 58, idem (ventral); 59, P5.
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 issued from : C.O. Esterly in Univ. Calif. Publs Zool., 1911, 6 (14). [Pl.26, Fig.3]. Female (from San Diego Region): 3, habitus (lateral) (urosome incomplete). Nota: Spine of the forehead is long and directed forward and slightly downward. A1 twice the length of the body. The length of the cephalothorax from the tip of the cephalic spine to the tip of the thoracic spine is over 5 times the length of the urosome.
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 issued from : C.O. Esterly in Univ. Calif. Publs Zool., 1911, 6 (14). [Pl.28, Figs.38, 43]. Female: 38, part of last thoracic segment and urosome (lateral); 43, forehead (lateral). Nota: Rostrum short and rounded. Spines on the sides of the last thoracic segment are long and extend beyond the middle of the genital segment.
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 issued from : C.O. Esterly in Univ. Calif. Publs Zool., 1911, 6 (14). [Pl.30, Figs.73, 84]. Female: 73, 1st basal (= coxopodite) of P4 showing the row of spines; 84, 1st basal of posterior Mxp to show the lamella.
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 Issued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, 1996, 268. [p.222, Fig.176]. Female (from 11°13'N, 141°47'E). Ce = cephalon; CP4 = coxopodite of P4. Nota: A1 twice longer than body ( nearly of the same length as in G. miles). Cephalothorax about 5 times longer than urosome. Frontal spine long and robust, directed forward, its top not curved or weakly curved to rostrm. Endopod of P2 1-segmented, with traces of subdivision between segments.
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 Gaetanus secundus female: 1 - Anterior part of cephalon with frontal spine. 2 - Exopodal segment 1 of A2 without seta; exopodal segment 2 with 1 seta (near distal margin). 2nd internal lobe of Mx1 with 3 (?) setae. Exopod of P1 with 2 external spines. 3 - Mxp protopodite with lateral plate. 4 - Exopodal segment 2 of A2 with 1 seta. 5 - Spines of last thoracic segment exceeding at least the midlength of genital segment. Frontal spine large. 6 -, Frontal spine straight, not curved to rostrum by its top. 7 - Spines of last thoracic segment slightly reaching the midlength of genital segment. External spine of exopodal segment 2 of P1 exceeding the midlength of the next segment.
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 Gaetanus secundus male: 1 - Cephalon without frontal spine. 2 - Cephalon with crest in anterior part. Body size < 6 mm.
| | | | | Ref. compl.: | | | Hernandez-Trujillo, 1991 (1993) (tab.I); Yamaguchi & al., 2002 (p.1007, tab.1); Galbraith, 2009 (pers. comm.); Schnack-Schiel & al., 2010 (p.2064, Table 2: E Atlantic subtropical/tropical) | | | | NZ: | 8 | | |
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Carte de distribution de Gaetanus secundus par zones géographiques
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| | | | | | | Loc: | | | SE Atlantic, Canary Is., Bay of Biscay, G. of Mexico, W Scotland, Vancouver Is., California, Izu-Bonin & Mariana Trench, Indian.
Type locality: NE Pacific (San Diego region) | | | | N: | 10 | | | | Lg.: | | | (7) M: 3,4; (37) F: 5,2-3,8; M: 3,55-3; (40) F: 4,24-3,72; M: 3,4-3; (59) F: 5,2; (143) F: 5,2; (199) M: 3,27-3,12; {F: 3,72-5,20; M: 3,00-3,55} | | | | Rem.: | mésopélagique, bathypélagique.
Certaines localisations sont douteuses du fait de la remise en cause par Markhaseva (1996) de la synonymie de cette espèce avec Gaetanus miles.
Voir aussi les remarques en anglais | | | Dernière mise à jour : 05/01/2015 | |
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 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
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