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Alcyoniina
Suborder, Coelenterate (=cnidarian), Marine
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Aplanulata
Suborder, Coelenterate (=cnidarian), Marine, terrestrial
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Brachycnemina
Suborder, Coelenterate (=cnidarian), Marine
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Calcaxonia
Suborder, Coelenterate (=cnidarian), Marine
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Calycophorae
Suborder, Coelenterate (=cnidarian), Marine
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Campanulariida
Suborder, Coelenterate (=cnidarian), Marine
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Capitata
Suborder, Coelenterate (=cnidarian), Marine, terrestrial
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Cleistocarpida
Suborder, Coelenterate (=cnidarian), Marine
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Cystonectae
Suborder, Coelenterate (=cnidarian), Marine
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Daktyliophorae
Suborder, Coelenterate (=cnidarian), Marine
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Eleutherocarpida
Suborder, Coelenterate (=cnidarian), Marine
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Filifera
Suborder, Coelenterate (=cnidarian), Marine, terrestrial
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Holaxonia
Suborder, Coelenterate (=cnidarian), Marine
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Macrocnemina
Suborder, Coelenterate (=cnidarian), Marine
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Nynantheae
Suborder, Coelenterate (=cnidarian), Marine
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Penicilaria
Suborder, Coelenterate (=cnidarian), Marine
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Physonectae
Suborder, Coelenterate (=cnidarian), Marine
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Protantheae
Suborder, Coelenterate (=cnidarian), Marine
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Scleraxonia
Suborder, Coelenterate (=cnidarian), Marine
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Sessiliflorae
Suborder, Coelenterate (=cnidarian), Marine