Onuphis opalina är en ringmaskart som först beskrevs av Addison Emery Verrill 1873. Onuphis opalina ingår i släktet Onuphis och familjen Onuphidae. Arten har ej påträffats i Sverige. Inga underarter finns listade i Catalogue of Life.
Källor Dyntaxa Onuphis opalina ITIS database, Brunel, P., L. Bosse, and G. Lamarche. (1998) Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. Canadian Special Publication of Fisheries and Aquatic Sciences, 126. 405 p., Fauchald, Kristian (2007) World Register of Polychaeta, Bellan, G. (2001) Polychaeta, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50:, Hobson, Katharine D. (1971) Some polychaetes of the superfamily Eunicea from the north Pacific and north Atlantic Oceans. Proceedings of the Biological Society of Washington, 83(47): 527-544., WoRMS Polychaeta: World List of Polychaeta. Read G. & Fauchald K., 2010-12-10 Verrill, A.E. (1873) Results of recent dredging expeditions on the coast of New England. American Journal of Science and Arts, Ser. 3, 5: 98-106., Pettibone, Marian H. (1963) Marine polychaete worms of the New England region. I. Aphroditidae through Trochochaetidae. Bulletin of the United States National Museum, 227(1): 1-356.,
Kategori:Havsborstmaskar opalina