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Fiche d'espèce de Copépode |
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Calanoida ( Ordre ) |
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Ryocalanoidea ( Superfamille ) |
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Ryocalanidae ( Famille ) |
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Yrocalanus ( Genre ) |
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Yrocalanus asymmetricus (Markhaseva & Ferrari, 1996) (F) | |
| | | | | | | Syn.: | Ryocalanus asymmetricus Markhaseva & Ferrari, 1996 (p.63, Descr.F, figs.F); Boxshall & Halsey, 2004 (p.184) | | | | Ref.: | | | Renz & al., 2013 (p.258) |  issued from : E.L. Markhaseva & F.D. Ferrari in Zoosyst. Rossica, 1995 (1996), 4 (1). [p.64, Figs.1-6]. As Ryocalanus asymmetricus. Female (from 13°23.9'N, 102°35'W): 1, habitus (lateral); 2, anterior part of prosome; 3, rostrum (ventral); 4-6, last segment of prosome and urosome (dorsal, left and right lateral, respectively). All scale bars: 0.1 mm. Nota : Prosome 4.9 times as long as urosome. Rostrum with 2 symmetrical points. Genital segment strongly asymmetrical, with large projection on the left, reaching the posterior border of 2nd urosomal segment (in dorsal view) . Caudal raus with 4 large apical setae, 1 small lateral and 1 inner seta.
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 issued from : E.L. Markhaseva & F.D. Ferrari in Zoosyst. Rossica, 1995 (1996), 4 (1). [p.65, Figs.7-13]. As Ryocalanus asymmetricus. Female: 7, exopod of A2; 8, Mx2; 9, Mxp (syncoxa and basis only); 10, P1; 11, P2; 12, P3; 13, P4 (coxopodite, basipodite, endopodite 1 and exopodite). Nota : A2 coxopodite with 1, basipodite with 2 setae, exopodite 1 with 1, exopodite 2 with 3 setae, exopodite 3-6 with 1 seta each, exopod 7 with 1 medial and 3 terminal setae ; endopodite 1 with 1 seta and spinules near its base. Md palp base with 2 setae (3 in R. admirabilis, endopodite 1 with 2 setae (3 in R. admirabilis 2nd and 3rd Mx1 internal lobes with 6 and 4 setae, respectively ; basis plus endopod together have at least 21 setae ; exopod with 11 setae ; external lobe with 8 setae. Mx2 1st endite with 5 setae, 2nd to 5th endites with 3 setae each, 6th endite with 2 setae and terminal part with 5 setae.
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Carte de distribution de Yrocalanus asymmetricus par zones géographiques
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| | | | Loc: | | | NE Pacif. ( off E Clipperton Is.) | | | | N: | 1 | | | | Lg.: | | | (522) F: 0,95; {F: 0,95} | | | | Rem.: | hyperbenthique (± 2980 m). | | | Dernière mise à jour : 02/02/2015 | |
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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 08 octobre 2024] © copyright 2005-2024 Sorbonne Université, CNRS
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