Re: Geitodoris planata? from Mediterranean
June 15, 2002
From: Juan Lucas Cervera
Hi Bill,
If this animal is from the Mediterranean, it could be possible that it was Discodoris (= Anisodoris) stellifera which is also characterised by "stars" formations on the back. The radula is a good way to distinguish D. stellifera from Geitodoris planata.
See the following papers for more information.
• Ortea, J.A. (1990) El genero Geitodoris Bergh, 1891 (Mollusca: Nudibranchia) en las Islas Canarias. Rev. Acad. Canar. Cienc., 2: 99-120.
• Cervera, J.L., Garcia-Gomez, J.C. & Garcia, F.J. (1985) Redescription of Geitodoris planata (Alder & Hancock, 1846) (Gastropoda: Nudibranchia). J. Moll. Stud., 51: 198-204.
Regards.
Lucas.
lucas.cervera@uca.es
Cervera, J.L., 2002 (Jun 15) Re: Geitodoris planata? from Mediterranean. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/7264Thanks Lucas.
Nothing is ever simple. Is there no good external characters? I wondered about Discodoris stellifera but the apparent size of the tubercles on the mantle in Jean-Pierre's photo seemed a bit large for a species of Discodoris. But there is no way I can definitively identify it so any more comments from anyone familiar with these two species would be very welcome
Bill Rudman
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