Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Stephidae ( Family )
            Stephos ( Genus )
Stephos pentacanthos  Chen & Zhang, 1965   (M)
Ref.:
Chen & Zhang, 1965 (p.63, 125, Descr.M, figs.M); Bradford-Grieve, 1999 a (p.25, Table 1: Rem.); S.Y. Moon & al., 2015 (p.31: Rem.)
Species Stephos pentacanthos - Plate 1 of morphological figuresissued from: Q.-c Chen & S.-z. Zhang in Studia Marina Sinica, 1965, 7. [Pl.20, 4-6].
Male (from Amoy, Formosa Strait): 4, habitus (lateral left side); 5, P5 (posterior); 6, terminal segment of left P5.
Nota: Head and 1st thoracic segment fused, 4th and 5th fused. Dorsal side of 2nd thoracic segment with 2 transverse ridges. Postero-lateral angles of last thoracic segment, obtusely produced, without spines. length of cephalothorax, 2.5 times that of urosome. 2nd urosomal segment rather broad and with a process on the terminal margin of ventral surface. Anal segment and caudal rami, short. A1 25-segmented, not geniculate. Exopod of A2 longer than endopod. Left P5, 5-segmented, 2nd segment short with a small process on inner margin, terminal segment with 5 stout spines. Right P5, 4-segmented, 3rd segment with a sharp tooth on the outer margin of basal portion, terminal segment claw-like, rather curved inwardly.

Compl. Ref.:
Shih & Young, 1995 (p.74); Ohtsuka & al., 2008 (p.115, Table 6)
NZ: 1

Distribution map of Stephos pentacanthos by geographical zones
Loc:
China Seas (East China Sea, Formosa Strait (Amoy))
N: 2
Lg.:
(290) M: 0,75-0,8; {M: 0,75-0,80}
Rem.: After Bradford-Grieve (1999 a, p.25) this species belongs to type IV (see Genus Stephos).
Last update : 14/08/2015
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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 July 25, 2024]

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