Neptunazurea porterae is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae.MolluscaBase (2025). Neptunazorea porterae (T. D. A. Cockerell, 1901). Accessed on 2026-04-19.Johnson R.F. & Gosliner T.M. (2012) Traditional taxonomic groupings mask evolutionary history: A molecular phylogeny and new classification of the chromodorid nudibranchs. PLoS ONE 7(4): e33479Ribeiro, A.; García-Méndez, K.; Valdés, Á.; Schrödl, M.; Padula, V. (2025). Description of a new genus of Chromodorididae with a taxonomic review of Neptunazurea kempfi (Ev. Marcus, 1971) comb. nov. (Mollusca, Gastropoda, Nudibranchia). Zootaxa. 5716(3): 333-348. It was named by Theodore Dru Alison Cockerell in honor of his wife Wilmatte Porter Cockerell.
Distribution This species was described from rockpools at La Jolla, California. It is reported from Monterey Bay, California to Bahía Tortugas, Baja California, Mexico.Rudman, W.B., 1999 (January 16) Mexichromis porterae (Cockerell, 1902). [In] Sea Slug Forum. Australian Museum, Sydney.Behrens, D. W., & Hermosillo, A. (2005) Eastern Pacific nudibranchs, a guide to the opisthobranchs from Alaska to Central America. vi + 137 pp., 314 photos. Sea Challengers, Monterey, California, page 85.Rudman W.B. (1984) The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: a review of the genera. Zoological Journal of the Linnean Society 81 (2/3): 115-273. page(s): 208
Description Neptunazurea porterae has a dark blue mantle with a white margin and bright yellow bands which run down the sides of the mantle from the bases of the rhinophores to the gill pocket. There is a light blue line along the middle of the back.Bertsch H. (1977) The Chromodoridinae nudibranchs from the Pacific coast of America.- Part I. Investigative methods and supra-specific taxonomy. The Veliger 20(2): 107-118.Turgeon, D.; Quinn, J.F.; Bogan, A.E.; Coan, E.V.; Hochberg, F.G.; Lyons, W.G.; Mikkelsen, P.M.; Neves, R.J.; Roper, C.F.E.; Rosenberg, G.; Roth, B.; Scheltema, A.; Thompson, F.G.; Vecchione, M.; Williams, J.D. (1998). Common and scientific names of aquatic invertebrates from the United States and Canada: mollusks. 2nd ed. American Fisheries Society Special Publication, 26. American Fisheries Society: Bethesda, MD (USA). . IX, 526 + cd-romDebelius, H. & Kuiter, R.H. (2007) Nudibranchs of the world. ConchBooks, Frankfurt, 360 pp. page(s): 207
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