Orochi and Phyllocomus differ further from Paramytha gen. nov. by the presence of a high membrane
connecting the branchiae. Phyllocomus differ from Paramytha gen.
nov. and Orochi in the presence of strongly modified branchiae,
and Orochi differs from Paramytha gen. nov., and all other
ampharetids, in that the neuropodia of the last thoracic chaetiger are of the same shape as abdominal pinnules (Reuscher et al.,2015).