Re: Facelina dubia from Turkey

November 18, 2008
From: Greg Brown

Concerning message #22029:

Hi Bill,
I question the identification of Facelina dubia from Turkey which would have a wide body and distinct propodial tentacles not seen in the photos. I suggest a Cuthona species and the appearance is reminiscent of Cuthona amoena as found around the UK, especially with the brownish bands midway up the rhinophores. C. amoena is known from the western Mediterranean but I don't know about any Turkish records.

Best regards,
Greg Brown

Brown, G.H., 2008 (Nov 18) Re: Facelina dubia from Turkey. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Greg,
Thanks for alerting me to this fairly fundamental error. Propodial tentacles are usually the first thing I look for in aeolid photos. The ceratal arrangement in the lower photo puzzled me but I assumed the animal had lost a lot of cerata. I should have referred this to Bernard Picton but for some reason that escapes me, I felt ok with Facelina dubia. I agree that Cuthona is a much more sensible suggestion.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Nov 18). Comment on Re: Facelina dubia from Turkey by Greg Brown. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Cuthona amoena

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