Sorry for another ID threat, but here it is anyway :)

[NoIdeaWhatToDo]

Anyone have any ideas. Thanks in advance.

 

[drake66]

is that a clam shell?

 

[NoIdeaWhatToDo]

Haha, nice ID

 

[LeftCoast]

The coralites aren't very defined yet, but I'd guess Acropora millepora.

 

[gregm5]

i second the mille

 

[NoIdeaWhatToDo]

Thanks a lot for the help guys.

 

[jjjimmy]

Acro sp. on the half shell.