Hi Francisco,
It's a Pennatulid (sea-pen) isn't it (Coelenterata: Anthozoa)?? I only have 
Hyman (1940) in front of me so the classification might be a bit ancient)
Best regards,
Frank
----- Original Message ----- 
From: "Solis Marin Francisco Alonso" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, October 17, 2012 5:15 PM
Subject: What is this?!!


> Dear friends...
> I am sorry to distract you with a NON Holothurian question...
> A friend of mine found this animals in the Mexican Caribbean (shallow 
> water)
> do you have any guess? they look like Cnidarians?
>
> Cheers,
>
> Francisco
>
>
> Dr. Francisco A. Solís-Marín
> Jefe de la Unidad Académica Ecología y Biodiversidad Acuática.
> Colección Nacional de Equinodermos
> "Dra. Ma. E. Caso Muñoz"
> Instituto de Ciencias del Mar y Limnología
> Universidad Nacional Autónoma de México
> Circuito Universitario s/n
> Deleg. Coyoacán
> Mexico, D,F.,
> CP. 04510
> Tel. (52) 56-22-58-43