Plate 1 Issued 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.
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.