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Cyclopoida ( Order ) |
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Oncaeidae ( Family ) |
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Oncaea ( Genus ) |
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Oncaea rotunda Heron, 1977 (F,M) | |
| | | | | | | Ref.: | | | Heron, 1977 (p.77, figs.F,M); Heron & al., 1984 (p.465); Malt, 1982 (p.190, 193, figs.F) |  issued from : G.A. Heron in Antarct. Res. Ser. Washington, 1977, 26. [p.78, Fig.24, o-q]. Female (from SW Pacific-Antarctic area): o, habitus (lateral; scale bar: X); p, posterior of last prosomal segment and urosome (lateral; scale bar: Y); q, urosome (dorsal; scale bar: Y).
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 issued from : G.A. Heron in Antarct. Res. Ser. Washington, 1977, 26. [p.80, Fig.25, a-o]. Female: a, right A2 (scale bar: Y); b, labrum (scale bar: Z); c, left Md (scale bar: Z); d, right Mx1 (scale bar: Z); e, left Mx2 (scale bar: Z); f, right Mxp (scale bar: Y); g-j, P1 to P4 (scale bar: Y); k, P5 (scale bar: Z). Male: l, habitus (lateral (scale bar: X); m, urosome (dorsal; lacking caudal setaescale bar: Y).
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 Issued from : S.J. Malt in Bull. Br. Mus. nat. Hist. (Zool), 1982, 42 (3). [p.204, Fig.10, c-f]. Female (from 20°N, 21°W): c-d, habitus (dorsal and lateral, respectively); e, urosome (dorsal); f, A2. Nota: Assigned to O. rotunda because of its distinctive A2, which has a very short terminal segment relative to the 2nd segment and bear(s relatively short terminal spines and setae. Also the terminal segment of the 4th endopodite is reduced. This specimen, except size) corresponds to Heron's description, although reported from in the Antarctic zone of the Pacific (between 1000 and 200 m depth).
| | | | | Compl. Ref.: | | | Errhif & al., 1997 (p.422); Razouls & al., 2000 (p.343, Appendix) | | | | NZ: | 4 | | |
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Distribution map of Oncaea rotunda by geographical zones
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| | | | | | | | | | Loc: | | | Antarct. (SW Pacif.), sub-Antarct. (Indian), S Indian (subtropical convergence), off NE Cape Verde Is. | | | | N: | 3 | | | | Lg.: | | | (679) F: 0,78-0,7; M: 0,71; 0,7; (680) F: 0,55; {F: 0,55-0,78; M: 0,70-0,71} | | | | Rem.: | Sampling depth (Antarct., sub-Antarct.) : 0-600-1000-2000 m. 3980-3962 m (NE Cape Verde Is.)
The geographical distribution of this species is surprising. | | | Last update : 21/12/2016 | |
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 Any use of this site for a publication will be mentioned with the following reference :
Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed November 21, 2024] © copyright 2005-2024 Sorbonne University, CNRS
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