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: Anthothelidae Broch, 1916 Alertigorgia Kükenthal, 1908 Anthothela Verrill, 1879 Briareopsis Bayer, 1993 Erythropodium Kölliker, 1865 Iciligorgia Duchassaing, 1870 Lateothela Moore, Alderslade & Miller, 2017 Solenocaulon Gray, 1862 Stereogorgia Tubigorgia Pasternak, 1985 Williamsium Moore, Alderslade & Miller, 2017 Briareidae Gray, 1859 Briareum Blainville, 1834 Lignopsis Perez & Zamponi, 2000 Pseudosuberia Kükenthal, 1919 Coralliidae Lamouroux, 1812 Corallium Cuvier, 1798 Hemicorallium Gray, 1867 Paracorallium Bayer & Cairns, 2003 Melithaeidae Gray, 1870 Asperaxis Alderslade, 2007 Melithaea Milne-Edwards, 1857 Paragorgiidae Kukenthal, 1916 Paragorgia Milne-Edwards, 1857 Sibogagorgia Stiasny, 1937 Parisididae Aurivillius, 1931 Parisis Verrill, 1864 Spongiodermidae Wright & Studer, 1889 Callipodium Verrill, 1876 Diodogorgia Kuekenthal, 1919 Homophyton Gray, 1866 Sclerophyton Cairns & Wirshing, 2015 Titanideum Verrill, 1864 Tripalea Bayer, 1955 Subergorgiidae Gray, 1859 Annella Gray, 1858 Rosgorgia Lopez Gonzalez & Gili, 2001 Subergorgia Gray, 1857 Victorgorgiidae Moore, Alderslade & Miller, 2017 Victorgorgia Lopez Gonzalez & Briand, 2002
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