Species Card of Copepod
Calanoida ( Order )
    Diaptomoidea ( Superfamily )
        Tortanidae ( Family )
            Tortanus ( Genus )
                Atortus ( Sub-Genus )
Tortanus (Atortus) nishidai  Ohtsuka, El-Sherbiny & Ueda, 2000   (M)
Ref.:
Ohtsuka, El-Sherbiny & Ueda, 2000 (p.6, Descr.M, figs.M); Francis & Bijoy Nandan, 2019 (p.433, Table 5).
Species Tortanus (Atortus) nishidai - Plate 1 of morphological figuresissued from : S. Ohtsuka, M.M. El-Sherbiny & H. Ueda in Crust. Res., 2000, 29. [p.7, Fig.3].
Male (from Gulf of Aden): A, habitus (dorsal); B, urosome and P5 (lateral left side); C, urosomal segmets 1-3 (lateral right side); D, right A1 (terminal part); E, P5 (posterior); F, left P5 (anterior); G, left P5 (terminal part, posterior); H, right P5 (anterior).


Species Tortanus (Atortus) nishidai - Plate 2 of morphological figuresIssued from : S.V. Francis & S. Bijoy Nandan in Turkish J. Zool., 2019, 43. [p.435, Table 5].
Differential diagnosis of T. nishidai male. Compare with other species of the subgenus Atortus species from the Indian Ocean.

Morphological characters male:
- Left P5 with subdistal spiniform terminal seta, and right leg coxa produced into the rectangular process, basis bearing rounded, flattened process located at inner distal corner.

NZ: 1

Distribution map of Tortanus (Atortus) nishidai by geographical zones
Loc:
Gulf of Aden (Yemen)
N: 1
Lg.:
(946) M:1,53-1,57; {M: 1,53-1,57}
Rem.: assigned to the "recticauda" group
Last update : 11/02/2020
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2022. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed October 05, 2022]

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