Species Card of Copepod
Calanoida ( Order )
    incertae sedis (Calanoida) ( Family )
        incertae sedis (Calanoida, inc. sedis) ( Genus )
Clausocalanus dubius  Brodsky, 1950   (M)
Ref.:
Brodsky, 1950 (1967) (p.120, Descr.M, figs.M); Frost & Fleminger, 1968 (p.82, Rem.); Kos, 1976 (Vol. II, figs.F,M, Rem.); Brodsky & al., 1983 (p.234, figs.M); Morioka, 1972 a (p.314)
Species Clausocalanus dubius - Plate 1 of morphological figuresIssued from : K.A. Brodskii in Calanoida of the Far Eastern Seas and Polar Basin of the USSR. Opred. Fauna SSSR, 1950, 35 (Israel Program for Scientific Translations, Jerusalem, 1967) [p.120 , Fig. 41]
Male: habitus (dorsal); R, rostrum (lateral); p, rostrum (frontal view); S1, P1; S3, basipodal segments 1 and 2; S5, P5.
Nota: Head and 1st pediger segment fused, 4th and 5th fused.Rostrum fairly large but without filaments, apically widened and with 2 tubercles. Anal segment very short. A1 of body length, with numerous aesthetascs. Exopod of A2 1.5 times longer than endopod.

Compl. Ref.:
Galbraith, 2009 (pers. comm.)
NZ: 3

Distribution map of Clausocalanus dubius by geographical zones
Loc:
NW Pacif., Okhotsk Sea, off SE Hokkaido, Vancouver Is.
N: 3
Lg.:
(131) M: 1,8; {M: 1,80}
Rem.: Species doubtful.
For Frost & Flelminger (1968, p.82) the description of this species does not agree with the diagnosis of the genus, and it seems preferable to designate dubius as a species incertae sedis.
Last update : 11/04/2020
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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 August 08, 2022]

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