Species Card of Copepod
Calanoida ( Order )
    Diaptomoidea ( Superfamily )
        Tortanidae ( Family )
            Tortanus ( Genus )
                Atortus ( Sub-Genus )
Tortanus (Atortus) digitalis  Ohtsuka & Kimoto, 1989   (F,M)
Ref.:
Ohtsuka & Kimoto, 1989 (p.398, figs.F,M); Ohtsuka, 1992 b (p.265); Chihara & Omori, 1997 (p.925, Pl.188,189: F,M)
Species Tortanus (Atortus) digitalis - Plate 1 of morphological figuresissued from : S. Ohtsuka & K. Kimoto in J. Crustacean Biol., 1989, 9 (3). [p.399, Fig.5].
Female (from Okinawa): A, habitus (dorsal); B, 5th pediger and urosome (dorsal); C, idem (lateral left side); D, 5th pediger (lateral left side); E-F, idem (lateral right side); G, genital segment (ventral); H, A1; I-J, P5 (posterior). Holotype: A-C, E, H, I; paratype: D, F, G, J.


Species Tortanus (Atortus) digitalis - Plate 2 of morphological figuresissued from : S. Ohtsuka & K. Kimoto in J. Crustacean Biol., 1989, 9 (3). [p.400, Fig.6].
Male: A, habitus (dorsal); B, 5th pediger and urosome (dorsal); C, urosome (ventral); D, two processes of 2nd urosomal segment; E, right A1 (segments 13-21); F, P5 (anterior); G, idem (posterior).

Compl. Ref.:
Nishida & Cho, 2005 (p.232, Fig.4: chart); C.-Y. Lee & al., 2009 (p.151, Tab.2)
NZ: 2

Distribution map of Tortanus (Atortus) digitalis by geographical zones
Loc:
S Japan (Ryukyu Islands, Okinawa), Taiwan (NW)
N: 2
Lg.:
(642) F: 2,84-2,74; M: 1,96; 1,82; {F: 2,74-2,84; M: 1,82-1,96}
Rem.: hyperbentic.
Body similar to T. rubidus.
For Nishida & Cho (2005, p.229) this species belongs in the subgenus Atortus to the ''species complex tropicus''.
Last update : 01/04/2013
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