ID this pplease

[symon_say]

I get this from a friend, what it is?

http://i128.photobucket.com/albums/p186/symon_say/IMG_20121201_1415261_zpsbe348664.jpg

[sponger0]

LPS of some sort. With all the flesh retracted, its hard to tell.

Chalice? Pagoda cup?

[Hormigaquatica]

Did it come from the Caribbean? It looks like Mycetophyllia to me.

[symon_say]

Yes.