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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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Scolecitrichidae ( Famille ) |
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Scaphocalanus ( Genre ) |
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Scaphocalanus impar (Wolfenden, 1911) (F) | |
| | | | | | | Syn.: | Amallophora impar Wolfenden, 1911 (p.263, Descr.F, figs.F); Bradford & al., 1983 (p.93);
? Scaphocalanus minuta Tanaka, 1937 (p.262, Descr.M, figs.M); 1961 a (p.169, Rem.); Morioka, 1972 a (p.314); Park, 1982 (p.77);
? Scaphocalanus minutus : Brodsky, 1950 (1967) (p.256, figs.M); Sewell, 1948 (p.560); Bradford, 1973 (p.143); Chen Y.-Q., 1986 (p.205, Table 1: abundance %, Table 2: vertical distribution);
? Scaphocalanus impar : Tanaka, 1961 a (p.172, figs.F); 1965 (p.19) | | | | Ref.: | | | Sewell, 1948 (p.574); Bradford, 1973 (p.143, 144); Björnberg & al., 1981 (p.637, fig.F); Park, 1982 (p.77) |  issued from : O. Tanaka in Publ. Seto Mar. Biol. Lab., 1961, IX (1). [p.172, Fig.118]. Doubtful. Female (from Japan: Sagami Bay): a, habitus (dorsal); b, last thoracic segment and genital segment (lateral, left side); c, P2; d, P5. Nota: - Cephalothorax and abdomen in proportional lengths 77:23. - Last thoracic segment with obtusely rounded corner in lateral aspect. Urosomal segments and caudal rami in proportional lenths 35 : 21 : 18 :15 : 12 = 100. - Caudal rami longer than wide. - Terminal spine of exopod of P2 with 23 teeth. P5 3-segmented; distal segments with 4 spines, the marginal outer spine arises opposite to the inner marginal spine, and is about 1/3 the length of the inner distal spine, the outer distal spine is about as long as the outer marginal spine, the inner marginal spine is about 2 times as long as the outer the distal segment, and is rather coarsely serrated on the outer margin.
| | | | | Ref. compl.: | | | Razouls & al., 2000 (p.343, tab. 5, Appendix) | | | | NZ: | 2 + 2 douteuses | | |
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Carte de distribution de Scaphocalanus impar par zones géographiques
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| | | | | | | Loc: | | | Antarct. (Indian Ocean: continental), SW Atlant., ? Japan (Izu region), ? off Hokkaido, NE Pacific tropical (in Chen Y.Q., 1986) | | | | N: | 4 | | | | Lg.: | | | (10) F: 2,4; (108) F: 2,45; {F: 2,40-2,45} | | | | Rem.: | Bathypélagique.
Sampling depth (Antarct.) :1200 m.
Genre mal assuré mais probable.
Distribution géographique incertaine.
? Cf. Scaphocalanus brevicornis .
Voir aussi les remarques en anglais | | | Dernière mise à jour : 16/11/2020 | |
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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 14 septembre 2024] © copyright 2005-2024 Sorbonne Université, CNRS
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