SMALL POLYPED SCLERACTINIA
There are about 28 different colonies/frags of SPS and here are a few:
acropora
montipora
Montipora capricornis purple
orange
and green 
Montipora
digitata green
yellow
and red 
hydnophora
seriatopora
pachyseris
Pachyseris speciosa
pavona
Pavona cactus
pocillopora