I need help to ID this coral

[Na-H2O]

I got this guy for free last weekend and need to know what type of coral it is and how I should take care of it.

Thanks

 

[gon08]

Psammocora

 

[Na-H2O]

I looked it up on google and none of the pictures resemble mine.....
Anyone else?

 

[RDHDDRAGON]

pavona coral.

 

[Nanook]

[moved]

 

[Na-H2O]

Huh?

 

[Na-H2O]

Nope not pavona

 

[Frick]

Pavona cactus is the closest i could find. http://sdmas.com/corals/289.php