Species Card of Copepod
Calanoida ( Order )
    Diaptomoidea ( Superfamily )
        Tortanidae ( Family )
            Tortanus ( Genus )
                Atortus ( Sub-Genus )
Tortanus (Atortus) tumidus  Chen, Hwang & Yin, 2004   (F,M)
Ref.:
Chen, Hwang & Yin, 2004 (p.130, figs.F,M)
Species Tortanus (Atortus) tumidus - Plate 1 of morphological figuresissued from : Q.-c. Chen, J.s. Hwang & J.-h. Yin in Crustaceana, 2004, 77 (2). [p.131, Fig.1].
Female (from Nansha Archipelago, S China Sea): A, habitus (dorsal); B, idem (lateral right side); D, forehead (ventral); E, A2; F, Md; G, Mx1; H, Mx2; I, genital operculum (ventral); J, Mxp.
Nota: Rostrum absent (in lateral view, a small anterior process at the base of A1. Multilobed eye prominent in anterior cephalic region (red in fresh specimens). Head and 1st thoracic segment separate, 4th and 5th fused. Middle of postero-dorsal margin of cephalosome with small bud. 1st inner lobe of Mx1 with 12 setae and setules, 2nd inner lobe with 3 large terminal setae. Left side of genital segment more swollen than right. 2nd urosomal segment fused with caudal rami. Shape of distal part of left caudal ramus: square

Male: C, habitus (dorsal).
Nota: Middle of postero-dorsal margin of cephalosome with small bud.


Species Tortanus (Atortus) tumidus - Plate 2 of morphological figuresissued from : Q.-c. Chen, J.s. Hwang & J.-h. Yin in Crustaceana, 2004, 77 (2). [p.132, Fig.2].
Female: B-E, P1-P4; H, P5 (posterior).

Male: A, left A1 (dorsal view); F, P5 (anterior); G, right P5 (posterior).
Nota: Right A1 geniculate.

NZ: 1

Distribution map of Tortanus (Atortus) tumidus by geographical zones
Loc:
mers de Chine (East China Sea, South China Sea, Nansha Archipelago : lagoon of Zhubi Reef) (10° 54-56 N, 114° 04-07 E)
N: 1
Lg.:
(961) F: 2,65-2,75; M: 2,25-2,40; {F: 2,65-2,75; M: 2,25-2,40}
Rem.: collected from horizontal surface tows.
This species resembles T. scaphus Bowman (1971), T. lophus Bowman (1971) and T. murrayi A. Scott (1909).
Last update : 02/10/2010
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Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2014. - Diversity and Geographic Distribution of Marine Planktonic Copepods. Available at http://copepodes.obs-banyuls.fr/en 
[Accessed July 23, 2014]

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