What is this - On the live rock?

[koga57]

[This piece of liverock is approximately 8 weeks old and I just noticed this growing on it and was wondering if anyone could identify it?

Thank you,

Koga57

http://dglenn2.photosite.com/40gallon/]

 

[melev]

[All I see is rock.]

 

[Guest]

[Maybe you could circle what your referring to?]

 

[NuclearReefs]

[i dont see it either,, all i see is rock people,, I mean rock..

are you refering to the indented part in the center that maybe porites?]

 

[koga57]

[I have cropped the photo some more. The part I am talking about is white looking.]

 

[NuclearReefs]

[looks like a dead porites skeleton to me....]