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Octocorallia (also known as Alcyonaria) is a class of Anthozoa comprising over 3,000 species [1] of marine organisms formed of colonial polyps with 8-fold symmetry. It includes the blue coral , soft corals , sea pens , and gorgonians (sea fans and sea whips) within three orders: Alcyonacea, Helioporacea, and Pennatulacea. [ 2 ]
Alcyonacea are an order of sessile colonial cnidarians that are found throughout the oceans of the world, especially in the deep sea, polar waters, tropics and subtropics. ...
This list of prehistoric octocorals is an attempt to create a comprehensive listing of all genera that have ever been included in the octocorallia, excluding purely vernacular terms.
Anthozoa is subdivided into three subclasses: Octocorallia, Hexacorallia and Ceriantharia, which form monophyletic groups and generally show differentiating reflections on symmetry of polyp structure for each subclass. The relationships within the subclasses are unresolved.
Gorgoniidae is a family of soft corals, a member of the subclass Octocorallia in the phylum Cnidaria. Nearly all the genera and species are native to the east and west coasts of America. Nearly all the genera and species are native to the east and west coasts of America.
Helioporacea is an order of the subclass Octocorallia that forms massive lobed crystalline calcareous skeletons in colonial corals. These corals first appeared in the Cretaceous period. [3] It consists of two families, Helioporidae Moseley, 1876 [4] and Lithotelestidae Bayer & Muzik, 1977. [5]
Pages in category "Octocorallia genera" The following 154 pages are in this category, out of 154 total. This list may not reflect recent changes. A. Acanella;
Octocorallia stubs (297 P) Pages in category "Octocorallia" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes. ...