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Most probably are these specimens juveniles of Facelinidae sp. 05, which differs by a broad yellowish-orange middorsal line, and by translucent brownish cerata with whitish tips, and thick, straight, brownish digestive glands.
This species is as Pruvotfolia sp. 4 in Gosliner et al. (2015) page 379,
it was posted on 9 June 2011at these websites as Facelinidae sp. B Family: Bergh, 1889, and changed on 20 July 2011 into
Facelinidae sp. 02 Family: Bergh, 1889.
For some genera, such as Trinchesia was the alphabet almost through. I had to change the distinguishing alphabetic character into a number. I had chosen 2-digit numbers, even though '01' looks a little bit stupid, and now is only the genus italic written.
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. (2017), published 2 November 2017, Facelinidae sp. 02 Family: Bergh, 1889
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Cladobranchia/Facelinidae_sp_02.htm