Thuridilla? from Florida

March 18, 2002
From: Linda Ianniello

Hi, Bill,
To accompany my photos of the Caribbean version of Elysia ornata I have included a shot of another Elysia, that looks very much like E. ornata, except it is lacking the black parapodial margin. Instead it is cream with a yellow band through it, and the body is the characteristic speckled green. The tips of the rhinophores are a very distinctive purple. This one was found in a different location, off Deerfield Beach, Florida, at a depth of about 12'. He is very small, about 1/2 inch, smaller than the others. Is he a color variation? Or a juvenile? As usual, thanks very much for your help and I really enjoy the forum.
Linda Ianniello

Ianniello, L., 2002 (Mar 18) Thuridilla? from Florida. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Linda,
This appears to be the same as the animal Elianny has found in Colombia. It looks similar to Thuridilla carlsoni from the Pacific, but without looking at its anatomy I can't say if it is a species of Thuridilla or an Elysia. I can find no record of anything similar being recorded from the Caribbean before.
Best wishes,
Bill Rudman

Rudman, W.B., 2002 (Mar 18). Comment on Thuridilla? from Florida by Linda Ianniello. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Thuridilla sp. 1

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  1. Re: Thuridilla? from Colombia
    From: Elianny Dominguez , March 18, 2002
  2. Thuridilla cf. carlsoni from Colombia
    From: Elianny Domínguez Tejo, June 16, 2001

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