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Phyllodesmium hyalinum  Ehrenberg, 1831

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Phyllodesmium hyalinum is characterized by its translucent white body with opaque white frosting. The cerata are basically smooth, apically nodulose and curved.
The specimen #1 was identified by Richard C. Willan: "This aeolid is an unhealthy adult Phyllodesmium sp. It is most probably Phyllodesmium hyalinum because the cerata are smooth to nodulose, with white 'frosting' all over them, and they are slightly curved apically."
Pretty similar are:
Phyllodesmium crypticum which differs by the very nodulose cerata, especially along their edges, and by the position of the position of the anal papilla.
Phyllodesmium tuberculatum which differs by the bluish grey colour, and by rounded tubercles on the cerata.
More information on Phyllodesmium hyalinum are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 12 January 2017, Phyllodesmium hyalinum  Ehrenberg, 1831
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Phyllodesmium_hyalinum.htm