Herviella affinis is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae.MolluscaBase (2018). Herviella affinis Baba, 1960. Accessed on 2018-02-18.
Distribution This species was described from Japan.Rudman, W.B., 2002 (September 11) Herviella affinis Baba, 1960. [In] Sea Slug Forum. Australian Museum, Sydney.
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