Scleraxonia

Scleraxonia is a suborder of corals, a member of the phylum Cnidaria.
Characteristics.
Members of Scleraxonia have a skeletal axis made of calcified spicules, organic fibres or both, which may be separate, linked or fused together.
Families and genera.
There are nine recognised families in this suborder and over thirty genera, with four families (Anthothelidae, Briareidae, Coralliidae and Subergorgiidae) containing some deep-water species and two families (Paragorgiidae and Parisididae) being exclusively deep water.
Families and genera in this suborder include: