Corallimorpharia

Corallimorpharia is an order of marine cnidarians closely related to stony or reef building corals (Scleractinia). They occur in both temperate and tropical climates, although they are mostly tropical. Temperate forms tend to be very robust, with wide and long columns, whereas tropical forms tend to have very short columns with a wide oral disc and very short tentacles. The tentacles are usually arranged in rows radiating from the mouth. Many species occur together in large groups, although there are recorded instances of individuals. In many respects, they resemble the stony corals, except fo

Discosomidae is a family of marine cnidarians closely related to the true sea anemones (Actiniaria). It contains five genera:

Corallimorphidae is a family of corallimorphs. It includes three genera:

Sideractinidae is a family of corals belonging to the order Corallimorpharia.