Species Card of Copepod
Cyclopoida ( Order )
    incertae sedis (Cyclopoida) ( Family )
        Pachos ( Genus )
Pachos dentatum  (Mori, 1932)   (F)
Syn.: Pachysoma dentatum Mori, 1932 a (p.172, no Descr.M, no figs.M); 1937 (1964) (p.142, Descr. F, figs.F, no M); Yamazi, 1958 (p.155, Rem.); Zheng & al., 1982 (p.108, figs.F); Cervantes-Duarte & Hernandez-Trujillo, 1989 (tab.3); Hirakawa & al., 1990 (tab.3); Shih & Young, 1995 (p.77); Suarez-Morales & al., 2000 (p.751, tab.1); Ayon & al., 2008 (p.238, Table 4: Peruvian samples);
Ref.:
Boxshall, 1977 a (p.149,153, Rem.); Boxshall & Halsey, 2004 (p.620); Ohtsuka & al., 2015 (p.123, Table 2)
Species Pachos dentatum - Plate 1 of morphological figuresissued from : T. Mori in The pelagic Copepoda from the neighbouring waters of Japan, 1937 (1964). [Pl.80, Figs. 1-5, 9-11]. As Pachysoma dentatum.
Female (from 33°6'30''N, 139°39'0''E): 1, A1; 2, habitus (dorsal); 3, Mxp; 4, terminal portion of A2; 5, A2; 9, endopod of P3; 10, P1; 11, P2.

Nota:
- 4th urosomal segment much shorter than the anal segment.
- 3rd segment (1st segment of endopodite of the posterior Mxp distinct from the 4th; the spine on the 2nd segment of the posterior Mxp more stout than that of P. punctatum.


Species Pachos dentatum - Plate 2 of morphological figuresissued from : Z. Zheng, S. Li, S.J. Li & B. Chen in Marine planktonic copepods in Chinese waters. Shanghai Sc. Techn. Press, 1982 [p.109, Fig.66]. As Pachysoma dentatum.
Female: a, habitus (dorsal); b, urosome (ventral); c, A1; d, A2; e, Mxp; f, P1; g, endopodal segment 3 of P2; h, endopodal segment 3 of P3; i, P4.
Scale bar in mm.

Compl. Ref.:
Suarez-Morales & Gasca, 1998 a (p.112); Lo & al., 2004 (p.89, tab.1); Palomares-Garcia & al., 2018 (p.178, Table 1: occurrence)
NZ: 4

Distribution map of Pachos dentatum by geographical zones
Loc:
China Seas (East China Sea, South China Sea), Taiwan (N: Mienhua Canyon), Japan (S, Toyama Bay, Tanabe Bay), W Baja California, La Paz, W Mexico (in Suarez-Morales & al., 2000), Peru (in Abanto, 2001)
N: 12
Lg.:
(91) F: about 2,2; (1023) F: 2,35; {F: 2,20-2,35}
Rem.: epipelagic.
Last update : 13/11/2020
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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 June 15, 2024]

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