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| 单体或群体生活，单体最大的直径可达50cm，如石芝（Fungia），群体中的个体直径仅有几毫米。结构与海葵很相似，隔膜成对，但缺乏明显的口道沟，具钙质杯状外骨骼。去多是造礁珊瑚，为珊瑚纲最大一目。例如鹿角珊瑚（Acropora）、脑珊瑚（Meandrina）、扁脑珊瑚（Platygyra）等。 |
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- n.: Madreporaria
- lat.: Sclearactinia, Scleractinia
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| Anthozoa | coral | Hexacorallia | coelenterata | | Anthozoa | Oulophyllia | Faviidae | |
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 Faviidae | Zaojiao madrepore | Acroporidae | Agariciidae | | Agathiphylliidae | Anthemiphylliidae | Astrocoeniidae | Caryophylliidae | | Deltocyathidae | Dendrophylliidae | Euphyllidae | Flabellidae | | Fungiacyathidae | Fungiidae | Lobophylliidae | Merulinidae | | Micrabaciidae | Mussidae | Oculinidae | Pectiniidae | | Plesiastreidae | acroporidae | Poritidae | Siderastreidae | | Turbinoliidae | Non- Zaojiao madrepore | Pavona cactus | Fungia | | Favia | Acropora | Pocillopora meandrina | Echinopora | | Montipora | Lobophyllia | Tubastraea | Pachyseris rugosa | | Echinophyllia | Cyphastrea | Goniastrea | Hydnophora | | Porites porites | Plesiastrea versipora | Favites | Platygyra lamellina | | Leptastrea | |
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