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1. 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 ... (Biology) [100%] 2024-12-22 [Scleractinia] [Hexacorallia]...
2. Scleractinia: Ordre Les scléractiniaires (Scleractinia), anciennement appelés « madréporaires », constituent le principal ordre des coraux durs, animaux de la classe des Anthozoa. On compte plus de 800 espèces répertoriées. [100%] 2025-01-29