ID this Brain

[Miles of Ocean]

http://i1253.photobucket.com/albums/hh592/darren_miles/001-8.jpg

I know it's a brain of some kind but what? LFS didn't know . Came on a piece of rock I bought.

[Driftwood58]

That's a pickle brain I believe.

[colesreef]

looks like a sympyllia to me

[javimarino]

or maybe colpophyllia

[bjaco18]

Goniastrea?