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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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Stephidae ( Famille ) |
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Stephos ( Genre ) |
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Stephos angulatus Bradford-Grieve, 1999 (F,M) | |
| | | | | | | Ref.: | | | Bradford-Grieve, 1999 a (p.20, figs.F,M); S.Y. Moon & al., 2015 (p.31: Rem.) |  issued from : J.M. Bradford-Grieve in N.Z. Jl mar. freshw. Res., 1999, 33. [p.21, Fig.5]. Female: A, habitus (dorsal); B, idem (lateral left side); C, urosome (dorsal); D, idem (lateral left side); E, genital double-somite (ventral); F, A1; G, P5 (posterior view). Nota: A1 24-segmented
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 issued from : J.M. Bradford-Grieve in N.Z. Jl mar. freshw. Res., 1999, 33. [p.24, Fig.8]. Male: A, habitus (dorsal); B, idem (dorso-lateral right side); C, urosome (dorsal); D, idem (lateral right side); E, A1 (segments 7-10); F, P5 (L = left; R = right). Nota: Left P5 segment 4 unswollen (compare to S. hastatus left P5; cf.p.25, Table 1).
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 issued from : J.M. Bradford-Grieve in N.Z. Jl mar. freshw. Res., 1999, 33. [p.22, Fig.6]. Female: A, A2; B, Md; C, Mx1; D, Mx2; E, Mxp. Nota: A2 coxa and basis partly fused. - Mx1 praecoxal arthrite with 9 terminal spines and 4 posterior surface setae; coxal endite and basal endites 1 and 2 with 3, 4, 5 setae respectively; basis and endopod fused, endopod with 4 + 13 setae; exopod with 11 setae; coxal epipodite with 9 setae; basal exite without seta. - Mx2 endites 1-6 with 4, 3, 3, 3, 4 and 1 setae, respectively; endopod with 5 setae. - Mxp syncoxal endites with groups of 1, 2, 3, and 3 (one of them thick) setae from proximal to distal; basis fused with endopod segment 1, with 3 inner setae, 2 distal setae and a group of long, inner edge spinules; free endopod segments 1-5 with 4, 4, 3, 3+1, 3+1 plumose setae respectively.
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 issued from : J.M. Bradford-Grieve in N.Z. Jl mar. freshw. Res., 1999, 33. [p.23, Fig.7]. Female: A, P1 (anterior); B-D, P2 to P4 (posterior).
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Carte de distribution de Stephos angulatus par zones géographiques
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| | | | Loc: | | | New Zealand (Wellington Harbour: Evans Bay) | | | | N: | 1 | | | | Lg.: | | | (774) F: 0,87-0,78; M: 0,8-0,7; {F: 0,78-0,87; M: 0,70-0,80} | | | | Rem.: | In 12 m of water in Evans Bay.
According to bradford-Grieve (1999 a, p.23) there is a small amount of variation in the numbers of spinules on the female genital double-somite, the surfaces of the swimming legs, and the caudal rami. For the author (p.25) this species belongs to type IV (see Genus Stephos). The female of S. angulatus may be distinguished from all other described Stephos by the conspicuous inner distal expansion on theP5 basis. | | | Dernière mise à jour : 22/01/2016 | |
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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 25 avril 2024] © copyright 2005-2024 Sorbonne Université, CNRS
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