Scleralcyonacea

Scleralcyonacea, previously referred to as Calcaxonia, is an order of soft corals in the class Octocorallia.

Families
Families belonging to the order include:


 * Aulopsammiidae (Reuss, 1854)
 * Briareidae (Gray, 1859)
 * Chelidonisididae (Heestand Saucier, France & Watling, 2021)
 * Chrysogorgiidae (Verrill, 1883)
 * Coralliidae (Lamouroux, 1812)
 * Cornulariidae (Dana, 1846)
 * Dendrobrachiidae (Brook, 1889)
 * Ellisellidae (Gray, 1859)
 * Erythropodiidae (Kükenthal, 1916)
 * Helioporidae (Moseley, 1876)
 * Ideogorgiidae (McFadden, van Ofwegen & Quattrini, 2024)
 * Ifalukellidae (Bayer, 1955)
 * Isidoidae (Heestand Saucier, France & Watling, 2021)
 * Keratoisididae (Gray, 1870)
 * Mopseidae (Gray, 1870)
 * Parasphaerascleridae (McFadden & van Ofwegen, 2013)
 * Parisididae (Aurivillius, 1931)