Are you asking what species of coral it is, or what idiotic name the marketing guys at some distribution outlet came up with?
If you are asking the species, it was already given to you. It looks like a chalice.
If you are asking about the idiotic name of it, well...just make up your own. It’s more fun. If you are lacking in creativity, I could suggest "venereal disease chalice" :tired:
I thought Acanthastrea echinata was a species of "chalice?" There are several different corals that have been lumped in the chalice category such as Oxypora sp. Mycedium sp. and Echinophyllia sp..