Rhizangiidae is a

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

of stony corals in the order

Scleractinia Scleractinia, also called stony corals or hard corals, are marine animals in the phylum Cnidaria that build themselves a hard skeleton. The individual animals are known as polyp (zoology), polyps and have a cylindrical body crowned by an oral di ...

. This family is closely related to

Oculinidae Oculinidae is a family of colonial corals. Characteristics Members of the family Oculinidae are characterised by having the walls of the corallites (the cups which house the polyps) being composed of solid walled though rather fragile tubes con ...

. Members of this family are non-reef building corals and reproduce from

stolon In biology, stolons (from Latin '' stolō'', genitive ''stolōnis'' – "branch"), also known as runners, are horizontal connections between organisms. They may be part of the organism, or of its skeleton; typically, animal stolons are external s ...

s. The

corallite A corallite is the skeletal cup, formed by an individual stony coral polyp, in which the polyp sits and into which it can retract. The cup is composed of aragonite, a crystalline form of calcium carbonate, and is secreted by the polyp. Corallit ...

s are small and the septa are simple.

Genera

The

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms. Content The content of the registry is edited and maintained by scientific specialist ...

includes the following

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

in the family: * †'' Arctangia Wells, 1937 * ''

Astrangia ''Astrangia'' is a genus of stony corals in the family Rhizangiidae. Members of this genus are non-reef building corals and are found in the Atlantic and Indo-Pacific Oceans. They are solitary corals with large polyps and are found in clumps. T ...

'' Milne Edwards & Haime, 1848 * '' Cladangia'' Milne Edwards & Haime, 1851 * '' Culicia'' Dana, 1846 * '' Oulangia'' Milne Edwards & Haime, 1848 * †'' Platyhelia'' Tenison-Woods, 1880 * †'' Rhipidogyra'' Milne Edwards & Haime, 1848 * †'' Rhizangia'' Milne Edwards & Haime, 1848 * †'' Septastrea'' d'Orbigny, 1849

References

Taxa named by Alcide d'Orbigny Scleractinia Cnidarian families {{scleractinia-stub