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Dermatobranchus phyllodes is characterized by diagonal ridges on the outer half of the notum leaving most of the central notum free of ridges, giving a leaf-like appearance.
The specific name phyllodes is from the Greek word meaning ‘leaflike: chlorophyll’ in reference to the distinctive leaf-like appearance of this species.
Let me quote Gosliner & Fahey, 2011:
"There is a series of deep dorsal ridges nearly perpendicular to the mantle edge, giving the dorsum a distinct leaf-like appearance... The ground colour of the dorsum, the oral veil, and the foot is pale green and pinkish blotches are also prevalent. There are dark green speckles and spots of various sizes scattered randomly on the dorsum.There is a U-shaped band of dark green pigment at the anterior third of the notum. The rhinophore stalk is white and the club is dark. The oral veil is opaque white with dark spots along the anterior margin and a pale orange edge. The foot margin has small dark speckles."
It is Dermatobranchus sp. 2 in IPN at page 311, and Dermatobranchus sp. 6 at Bill Rudman's Sea-Slug Forum.
This specimen was misidentified and posted on 13 February 2015 at these websites as Dermatobranchus tuberculatus Gosliner & Fahey, 2011.
I like to point out that only the specimen #1 looks exactly like those pictures in Gosliner & Fahey (2011), all other specimens should better be
labeled Dermatobranchus cf. phyllodes Gosliner & Fahey, 2011, they might also be very strange colour forms of
Dermatobranchus kalyptos Gosliner & Fahey, 2011, which has a pale blue or lavender ground colour with several large patches of white and tan pigment, and some raised brown areas. Exept the picture of it in the description Gosliner & Fahey (2011), are no pictures of it online, they are misidenttified Dermatobranchus pustulosus van Hasselt, 1824.
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs. Sea Challengers Natural History Books.
Gig Harbor, Washington. 426 pp.
Rudman, W.B., 2001 (May 22) Dermatobranchus sp. 6 [In] Sea Slug Forum. Australian Museum, Sydney.
Available from http://www.seaslugforum.net/find/dermsp6
Gosliner, Terrence M. & Fahey, Shireen J., 2011, Previously undocumented diversity and abundance of cryptic species: a phylogenetic analysis of Indo-Pacific Arminidae Rafinesque, 1814 (Mollusca: Nudibranchia) with descriptions of 20 new species of Dermatobranchus.
Zoological Journal of the Linnean Society. 2011 February; 161(2): 245–356.
This text is completely online at http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3073124/
How to cite:
Köhler, E. (2016), published 14 October 2016, Dermatobranchus phyllodes Gosliner & Fahey, 2011
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Dermatobranchus_phyllodes.htm