Hello Taz, 
The coral you have is Echinopora lamellosa and quite a nice one at that.  
Echinopora sp. generally have ridges across the coral face and a much different polyp form from Pagoda cup coral (Turbinaria sp.) 
 
Could you PM me as to where and when you purchased this coral? 
Thanks 
		
	
		
		
		
		
			
				__________________ 
				Van for short
			 
		
		
		
		
	
		
		
	
	
	 |