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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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Phaennidae ( Famille ) |
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Onchocalanus ( Genre ) |
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Onchocalanus cristogerens Markhaseva & Kobosokova, 1998 (M) | |
| | | | | | | Syn.: | Onchocalanus cristatus : Harding, 1966 | | | | Ref.: | | | Markhaseva & Kobosokova, 1998 (p.48, Descr.M, figs.M) |  issued from : E.L. Markhaseva & K.N. Kosobokova in Zoosyst. Ross., 1998, 7 (1). [p.49, Figs.22-31]. Male (80°55'N, 122°39'E): 22, anterior part of the body (lateral); 23, forehead (dorsal); 24, rostrum (frontal view); 25, pediger segment 5 and urosome (dorsal); 26, pediger segments 3-5 and urosome (lateral); 27, A2; 28, Md (mandibular palp); 29, Mx1; 30, Mx2; 31, Mxp. Scale bars: 0.1 mm. Nota : Prosome nearly 3.8 times as long as urosome. Crest moderately pronounced. Rostrum with thin fimaments terminally. Pediger segments 4 and 5 incompletely fused ; posterior corners of pediger segment 5 rounded in lateral view and triangular in dorsal view. A1 as long as body A2 exopodite 1-2 without seta, exopodite 7 with 3 long terminal setae. Md palp with 2 minute setae at the basis, endopodite 1 with 2 setae, endopodite 2 with 9 setae ; exopodite 1-4 segments with 1 seta each, exopodite 5 with 2 terminal setae. Inner lobe 1 setation reduced, without well developed spines ; inner lobe 2 without setae ; inner lobe 3 with 3 setae ; inner lobe 4 with 4 setae ; endopod with 8 setae ; exopod with 11 setae ; outer lobe 1 with 7 setae. Mx2 lobe 5 with 1 of 3 setae as spine-like ; distal part with 1 worm-like and 6 brush-like setae (probably 7th brush-like seta typical of Phaennidae is broken).
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 issued from : E.L. Markhaseva & K.N. Kosobokova in Zoosyst. Ross., 1998, 7 (1). [p.50, Figs.32-37]. Male: 32, P1; 33, P2; 34, P3 (incomplete); 35, P4 (incomplete); 36, P5; 37, right P5 and P5 left first segment. Scale bars: 0.1 mm. Nota : P5 uniramous ; left leg 5-segmented, slightly more than 2 times as long as urosome ; right leg 4-segmented, reaching the distal border of the 1st segment of the left leg.
| | | | | Ref. compl.: | | | Kosobokova & Hirche, 2000 (p.2029, tab.2); Kosobokova & Hopcroft, 2010 (p.96, Table 1, fig.7); Kosobokova & al., 2011 (p.29, Table 2, Rem.: Arctic Basins) | | | | NZ: | 1 | | |
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Carte de distribution de Onchocalanus cristogerens par zones géographiques
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| | | | Loc: | | | Arctic (Canada Basin, Makarov Basin, Amundsen Basin, Nansen Basin) | | | | N: | 4 | | | | Lg.: | | | (779) M: 5,1; {M: 5,10} | | | | Rem.: | Bathy-abyssopélagique.
Voir aussi les remarques en anglais | | | Dernière mise à jour : 27/01/2015 | |
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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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