Species Card of Copepod
Cyclopoida ( Order )
    Oncaeidae ( Family )
        Oncaea ( Genus )
Oncaea macilenta  Heron, 1977   (F,M)
Ref.:
Heron, 1977 (p.73, Descr.F, figs.F); Heron & Frost, 2000 (p.1048, figs.F,M, tab.2, 3)
Species Oncaea macilenta - Plate 1 of morphological figuresissued from : G.A. Heron & B.W. Frost in Proc. Biol. Soc. Washington, 2000, 113 (4). [p.1047, Fig.18, O].
Female (from NE Pacific): O, pediger 4 posterior corner and urosome (lateral; scale bar: x).
Scale bars: 0.1 mm, see figures 3, 4, 5, 10 of Heron and Frost, 2000 for Oncaea canadensis and Oncaea insolita.


Species Oncaea macilenta - Plate 2 of morphological figuresissued from : G.A. Heron & B.W. Frost in Proc. Biol. Soc. Washington, 2000, 113 (4). [p.1022, Fig.2, G].
Female: P2-P4 endopod terminal ''spine set'' (combination of the lengths, shapes, and position of the three or two terminal spines on the endopods of swimming legs 2-4 , from left to right in figure, for different Oncaea' species).

Nota: endopods of P2 and P3 with lateral spine extending about half as far as base of subterminal spine.


Species Oncaea macilenta - Plate 3 of morphological figuresissued from : G.A. Heron & B.W. Frost in Proc. Biol. Soc. Washington, 2000, 113 (4). [p.1049, Fig.19, A-D].
Female: A, habitus (lateral; scale bar: w); B-C, pediger 4 posterior corner and urosme (lateral and dorsal, respectively; scale bar: x); D, Mx2 and Mxp (lateral; in situ; scale bar: x).
Scale bars: 0.1 mm, see figures 3, 4, 5, 10 of Heron and Frost, 2000 for Oncaea canadensis and Oncaea insolita.


Species Oncaea macilenta - Plate 4 of morphological figuresissued from : G.A. Heron in Antarct. Res. Ser. Washington, 1977, 26. [p.74, Fig.22, o-u].
Female (SW Pacific-Antarxctic area): o, habitus (lateral; scale bar: X); p, urosome (dorsal; lacking caudal setae; scale bar: Y); q, left A1 (scale bar: Y); r, left A2 (scale bar: Y); s, labrum (scale bar: Z); t, right Md (scale bar: Z); u, right Mx1 (scale bar: Z).


Species Oncaea macilenta - Plate 5 of morphological figuresissued from : G.A. Heron in Antarct. Res. Ser. Washington, 1977, 26. [p.76, Fig.23, a-g].
Female: a, right Mx2 (scale bar: Z); b, left Mxp (scale bar: Y); c-f, P1 to P4 (scale bar: Y); g, P5 (scale bar: Z).

Compl. Ref.:
Razouls & al., 2000 (p.343, tab. 2, Appendix); Nishibe & Ikeda, 2004 (p.931, Tab. 2, 5); Nishibe & al., 2009 (p.491, Table 1: seasonal abundance);
NZ: 5

Distribution map of Oncaea macilenta by geographical zones
Loc:
Antarct. (SW Pacif.), sub-Antarct. (SW Pacif.), Station 'P', Washigton inland, NE Pacif., Japan (Tosa Bay, Oyashio region)
N: 5
Lg.:
(679) F: 0,82-0,73; (848) F: 0,7-0,79; M: 0,57-0,63; {F: 0,70-0,82; M: 0,57-0,63}
Rem.: Sampling depth (Antarct., sub-Antarct.) : 0-1000-2000 m.
Last update : 27/01/2016
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2021. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed November 27, 2021]

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