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Fiche d'espèce de Copépode |
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Calanoida ( Ordre ) |
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Arietelloidea ( Superfamille ) |
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Arietellidae ( Famille ) |
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Metacalanus ( Genre ) |
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Metacalanus curvirostris Ohtsuka, 1985 (F,M) | |
| | | | | | | Ref.: | | | Ohtsuka, 1985 (p.299, figs.F,M); Chihara & Murano, 1997 (p.719, Pl.53: F,M) |  issued from : S. Ohtsuka in Publ. Seto Mar. Biol. Lab., 1985, 30 (4/6). [p.300, Fig.9]. Female (from Tanabe Bay, Honshu): A, habitus (lateral right side); B, idem (dorsal); C, rostrum; D, genital segment (showing seminal receptacle, ventral); E, left A1; F, right A1. Male: G, right A1; H, left A1. All setae and aesthetascs of A1 omitted. Nota: Head and 1st thoracic segment separate, 4th and 5th fused. A1 asymmetrical (right 19-segmented, 8th and 9th partly fused), left longer than the right one, 18-segmented (1st and 2nd, 8th and 9th segments partly fused). Urosome 4-segmented. Anal segment very small with a rounded operculum.
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 issued from : S. Ohtsuka in Publ. Seto Mar. Biol. Lab., 1985, 30 (4/6). [p.301, Fig.10]. Female: A, A2; B, Md; C, Mx1; D, Mx2; E, Mxp. Nota: Basipod of A2 with 1 anterior distal seta; endopod 2-segmented, proximal unarmed, distal segment with 2 setae of unequal lengths medially and 5 setae apically; exopod 6-segmented, 2nd and 5th segments each with 1 seta, terminal segment with 1 medial seta and 2 terminal setae. Endopod of Md wanting; exopod 5-segmented, proximal four segments with 1 seta, terminal segment with 2 setae of unequal lengths. Mx1 rudimentary, 1st inner lobe bearing numerous fine hairs, 2nd inner lobe small with 1 minute seta apically; outer lobe with 5 plumose setae; endopod wanting; exopod armed with 3 plumose setae apically. Mx2 strongly developed, basal segments with 6 inner lobes, 1st with 1 plumose seta and 4 or 5 minute spinules, 2nd with 2 setae of unequal lengths, 3rd and 4th each with 2 spinulose setae, 5th with 1 large spine with 2 rows of very minute spinules on its basal half, 6thwith 1 serrated seta; endopod 3-segmented, 1st segment with 2 serrated strong setae and 1 serrated minute seta, 2nd with 2 serrated strong setae, 3rd with 2 serrated strong setae. Mxp with 2-segmented basipodite and 5-segmented endopodite
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 issued from : S. Ohtsuka in Publ. Seto Mar. Biol. Lab., 1985, 30 (4/6). [p.302, Fig.11]. Female: A, P1 (anterior); B, P2 (anterior); C, P3 (anterior); D, P4 (posterior); E, P5 (anterior). Nota: P5 nearly symmetrical and 3-segmented, 1st segment unarmed, 2nd with 1 seta on the outer distal end (the seta of the right leg is plumose and thicker than the counterpart of the left leg; terminal segment with 1 large seta which bears minute spinules along its outer margin and minute hairs on its inner margin.
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 issued from : S. Ohtsuka in Publ. Seto Mar. Biol. Lab., 1985, 30 (4/6). [p.304, Fig.12]. Male: A, habitus (dorsal); B, idem (lateal right side); C, rostrum; D, P5 (posterior). Nota: Left A1 geniculate, 17-segmented (8th and 9th segments partly fused; right A1 19-segmented (8th and 9th segments almost fused). P5 nearly symmetrical, uniramous and 5-segmente, terminal segment apically bearing 1 large seta which arries minute spinules on its inner side. Urosome 5-segmented.
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 Issued from : M. Chihara & M. Murano in An Illustrated Guide to Marine Plankton in Japan, 1997. [p.724, Pl. 53, fig.57 b-e]. Female: b, P5; d, habitus (dorsal). Male: c, P5; e, habitus (dorsal). Nota: Numbers show species characters.
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Carte de distribution de Metacalanus curvirostris par zones géographiques
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| | | | Loc: | | | Japan (Tanabe Bay) | | | | N: | 1 | | | | Lg.: | | | (291) F: 1,19; M: 0,89; {F: 1,19; M: 0,89} | | | | Rem.: | hyperbenthique (côtier).
Voir aussi les remarques en anglais | | | Dernière mise à jour : 17/01/2015 | |
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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 22 novembre 2024] © copyright 2005-2024 Sorbonne Université, CNRS
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