Scleraxonia

Melithaeidae is a family of corals in the order Malacalcyonacea. Members of the family are commonly known as sea fans and are found on reefs in the tropical regions of the Indo-Pacific.

Coralliidae, also known as precious corals, is a taxonomic family of soft corals belonging to the order Scleralcyonacea of the phylum Cnidaria. These sessile corals are one of the most dominant members of hard-bottomed benthic environments such as seamounts, canyons and continental shelves. From this coral family results 69 descendants in which each species plays a key role in forming habitats for a variety of marine species.

Subergorgiidae is a family of corals, a member of order Malacalcyonacea in phylum Cnidaria.

Briareidae is a family of corals, a member of the phylum Cnidaria.

Scleraxonia is a suborder of corals, a member of the phylum Cnidaria.

Spongiodermidae is a family of corals belonging to the order Scleralcyonacea.