Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Pseudotharybis ( Genus )
Pseudotharybis robustus  (Bradford, 1969)   (F,M)
Syn.: Bradyidius robustus Bradford, 1969 b (p.476, figs.F,M)
Bradford & Jillett, 1980 (p.74, figs.F,M, distribution chart); Mauchline, 1998 (p.81: M)
Species Pseudotharybis robustus - Plate 1 of morphological figuresissued from : J.M. Bradford in N.Z. Jl Mar. Freshw. Res., 1969, 3 (4). [p.477, Figs 2-17]. As Bradyidius robustus.
Female (from SW New Zealand): 2, Mx2; 3, rostrum; 4, P2; 5, P3; 6, P4; 7, P1; 8, A1; 9, Mxp; 10, part of terminal spine on exopod of P3; 11, habitus (lateral right side); 12, urosome (lateral right side); 13, Mx1; 14, P5; 15, A2; 16, Md; 17, habitus (dorsal).

Nota: Head and 1st thoracic segment fused (but line of fusion visible dorsally), 4th and 5th fused. A1 (24-segmented with some sensory filaments and many annulate setae) reaches last thoracic segment.

Species Pseudotharybis robustus - Plate 2 of morphological figuresissued from : J.M. Bradford in N.Z. Jl Mar. Freshw. Res., 1969, 3 (4). [p.478, Figs 18-31]. As Bradyidius robustus.
Male (from SW New Zealand): 18, A1; 19, P1; 20, P2; 21, P3; 22, P4; 23, Mxp; 24, Mx1; 25, urosome (dorsal); 26, idem (lateral left side); 27, P5; 28, habitus (lateral right side); 29, Md (mandibular palp); 30, rostrum; 31, A2.

Nota: A1 (23-segmented with sensory filaments and annulate setae) reaches urosomal segment 4.

Compl. Ref.:
Bradford-Grieve, 2004 (p.284)
NZ: 1

Distribution map of Pseudotharybis robustus by geographical zones
SW New Zealand
N: 2
(201) F: 3,9-3,6; M: 3,6; {F: 3,60-3,90; M: 3,60}
Rem.: Bathypelagic (Depths: 1184-1193 m).
Last update : 03/11/2013
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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 May 25, 2024]

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Marine Planktonic Copepods

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