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Phyllodesmium pinnatum  Moore & Gosliner, 2009

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Phyllodesmium pinnatum has recently been described, (published 18 August 2009), it is characterized by the elongate finger-like papillae on the cerata. The body is translucent whitish-grey with fine opaque white spots. Let me quote Moore & Gosliner (2009):
"The cerata, oral tentacles, and rhinophores are a slighty darker brownish-grey color, compared with the color of the dorsum." and " The cerata are elongate and paddle-shaped flattened dorso-ventrally, with larger cerata near the medial region of the dorsum. Each ceras has numerous digitate projections that concentrate near but are not exclusive to, the margins of the flattened ceras."
It has zooxanthellae, it is like other members of the genus Phyllodesmium what Bill Rudman calls "Solar-powered Sea Slugs".
This species is Phyllodesmium sp. 1 in IPN at page 385, it was posted on 12 June 2007 at these websites as Phyllodesmium sp. F  Genus: Ehrenberg, 1831.
References:
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.
Moore E. & Gosliner T. (2009). Three new species of Phyllodesmium  Ehrenberg (Gastropoda: Nudibranchia: Aeolidoidea), and a revised phylogenetic analysis.
Zootaxa 2201: 30 - 48.
This text is completely online at http://www.mapress.com/zootaxa/2009/f/zt02201p048.pdf
How to cite:
Köhler, E. (2016), published 27 December 2016, Phyllodesmium pinnatum  Moore & Gosliner, 2009
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Phyllodesmium_pinnatum.htm