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Carminodoris bifurcata  Baba, 1993

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Carminodoris bifurcata is characterized by a mottled brownish-tan colour, with small black spots on the notum, and by a broad brownish median patch between the rhinophores and the gills The tubercles are relatively small, many of them have a white ring around their base. The rhinophore clubs and the gills are brownish-tan. It is also known as Hoplodoris bifurcata.
Very similar is
Carminodoris flammea which differs by the fiery red mid-dorsal patch, by the larger tubercles, and lacks the small black spots on the notum.
There is still a lot of confusion on the taxonomic placement:
The Sea-Slug Forum placed it originally in the genus Carminodoris, on 24 Oct 2003 it was moved to Hoplodoris, which the Sea-Slug Forum places in the family Dorididae.
Fahey, S. J. & Gosliner, T. M. (2003) Mistaken identities: On the Discodorididae genera Hoplodoris Bergh, 1880 and Carminodoris Bergh, 1889 (Opisthobranchia, Nudibranchia). Proceedings of the California Academy of Sciences, 54(10): 169-208.
online at PUBLICATIONS OF THE PEET PROJECT synonymised Carminodoris with Hoplodoris, I quote the abstract:
"Analyses indicate that the genus Carminodoris Bergh, 1889 is a junior synonym of Hoplodoris Bergh, 1880.
Dayrat, B., & T. M. Gosliner. 2005. Species names and metaphyly: a case study in Discodorididae (Mollusca, Gastropoda, Euthyneura, Nudibranchia, Doridina). Zoologica Scripta 34(2):199-224.
I quote the abstract: " Therefore, instead of reallocating some Carminodoris species to Hoplodoris, it is actually some Hoplodoris species that need to be transferred to Carminodoris."
WoRMS - World Register of Marine Species lists both genera as accepted: Carminodoris and Hoplodoris,
but the species bifurcata is in none of them!
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs. Sea Challengers Natural History Books.
Gig Harbor, Washington. 426pp. uses Carminodoris at page 168
NUDIPIXEL uses Hoplodoris.
I follow Gosliner, et al, 2008 and place it in the genus Carminodoris in the family Discodorididae.
More informations on Carminodoris bifurcata as Hoplodoris bifurcata are at Bill Rudman's Sea-Slug Forum!