Rhizangiidae is a

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

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 polyps and have a cylindrical body crowned by an oral disc in which a mo ...

. 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 co ...

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

stolon In biology, a stolon ( from Latin ''wikt:stolo, stolō'', genitive ''stolōnis'' – "branch"), also known as a runner, is a horizontal connection between parts of an organism. It may be part of the organism, or of its skeleton. Typically, animal ...

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 SEPTA, the Southeastern Pennsylvania Transportation Authority, is a regional public transportation authority that operates bus, rapid transit, commuter rail, light rail, and electric trolleybus services for nearly four million people througho ...

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 catalogue and list of names of marine organisms. Content The content of the registry is edited and maintained by scien ...

includes the following

genera Genus (; : genera ) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. In binomial nomenclature, the genus name forms the first part of the binomial s ...

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