To be honest, I don't know exactly.
As far as I know acan lords are going to have individual polyps. Enchanita is going to look like a big fleshy chalice with symmetrical polyps but all grown together without any polyp separation. Micros are smaller and sometimes have more bumps and surface roughness but usually individual polyps that are not all grown together like an enchanita.
Chalice is a whole other ball game completely. Usually chalice will have smaller polyps and sometimes very random polyp growth instead of symmetrical as seen on acans.
I wish I knew more in-depth info about the different LPS corals, but I'm just too lazy to do the reading. :mrgreen: