Re: Phyllidiella cf. annulata from Christmas Island

May 13, 2002
From: Erwin Koehler

Dear Bill,
Your photos of Phyllidiella cf. annulata from Christmas Island look pretty similar to the animal you have on the Forum as as Phyllidiella cf. zeylanica from Mauritius.
Erwin

Erwin@medslugs.de

Kohler, E, 2002 (May 13) Re: Phyllidiella cf. annulata from Christmas Island. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6954

Dear Erwin,
Perhaps these animals have evolved to annoy us! I think we still have a lot to learn about variability in this group. I veered towards P. annulata because the centre of the ring was black and without tubercles, and the pink ring was very thick. In P. cf. zeylanica the rings are very thin and there is a tubercle in the centre of each ring. In fact the pinlish-white border to the mantle suggest it may be neither.

Clearly we need to know more about variability in this group, not only the dorsal colour pattern but the ventral colour pattern and the anatomy.
Cheers,
Bill Rudman

Rudman, W.B., 2002 (May 13). Comment on Re: Phyllidiella cf. annulata from Christmas Island by Erwin Koehler. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6954

Factsheet

Phyllidiella cf. annulata

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