WoRMS note details
As the genus is monotypic, and the type species is a subjective synonym of Iphitime doderleinii, therefore Coelobranchus must become a junior synonym of Iphitime
Imajima, Minoru & Hartman, Olga. (1964). The polychaetous annelids of Japan. <em>Occasional Papers of the Allan Hancock Foundation.</em> 26(1-2): 1-452 [issued in 2 parts].
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