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This species was posted on 25 February 2013 at these websites as Tritoniidae sp. 03 family Lamarck, 1809, with the comment:
"This might be a species of Tritonia Cuvier, 1797, Dr. Alicia Hermosillo-González labelled it "Tritonia sp 1.JPG".
I found by chance on 20 April 2013 two pictures of Tritonia insulae (Baba, 1955) at the umiushi-zukan website, searching for more pictures I found a broken link to
I don't know how, but on this website is a copy of this picture still visible, I am sure it is the same species! And I found one more picture of it at this http://chibisuke.jp/archives/378 website.
There is a different species from Japan online, also labeled Tritonia insulae, that is why I asked an expert for help.
Dr. Richard C. Willan sent a pdf with the Baba's original drawing of Duvaucelia (Duvaucelia) insulae and wrote:" He called it Duvaucelia insulae and described it as "Coloration unmistakable in the genus. The body is white and the gills are vermilion-tinted." That is all above mentioned specimens had been misidentified, they have chocolate brown branchial tufts, not vermilion red tinted, and they have brown oral papillae not white ones.
I changed it on 15 July 2016 into Tritonia sp. 02 Genus: Cuvier, 1797. It is in Gosliner et al. (2015) bottom left of page 319 as Tritonia sp. 1.
Gosliner, T.M, D.W. Behrens & Á.Valdés. 2015. Nudibranch &Sea Slug Identification Indo-Pacific.
New World Publications Inc. Jacksonville, FL. 408 pp.
How to cite:
Köhler, E. (2020), published 16 April 2020, Tritonia sp. 02 Genus: Cuvier, 1798
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Cladobranchia/Tritonia_sp_02.htm