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Zoantharia
Stony corals (Scleractinia)
Scientific classification
Kingdom: Animalia Phylum: Cnidaria Class: Anthozoa Subclass: Zoantharia

Zoantharia (also known as Hexacorallia, as they have 6-fold symmetry) is a subclass of the class Anthozoa within the phylum Cnidaria. It includes the sea anemones and most existing corals (except for the soft corals in order Alcyonacea of the sister subclass Alcyonaria, the Octocorallia). It also includes the significant extinct orders of the rugose corals and tabulate corals

The subclass is divided into a number of orders; those which are extinct are marked with †.

• Ceriantharia (tube-dwelling anemones)
• Actiniaria (sea anemones)
• Corallimorpharia
• Numidiaphyllida †
• Scleractinia (stony corals)
• Kilbuchophyllida †
• Antipatharia (black corals, thorny corals)
• Zoanthidea
• Heterocorallida †
• Rugosa †
• Heliolitida †
• Tabulata †
• Cothoniida †
• Tabuloconida †
• Ptychodactiaria

Links

Tree of Life Zoantharia

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Wikipedia content modification information:

• This page was last modified on 24 August 2008, at 19:45.

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