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Eumetazoa (metazoans)
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Class Anthozoa
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Order Actiniaria
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Family Acontiophoridae
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Family Actinernidae
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Family Actiniidae
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Family Actinodendronidae
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Family Actinoscyphiidae
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Family Actinostolidae
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Family Aiptasiidae
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Family Aiptasiomorphidae
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Family Aliciidae
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Family Andresiidae
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Family Andwakiidae
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Family Aurelianidae
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Family Bathyphellidae
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Family Boloceroididae
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Family Condylanthidae
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Family Diadumenidae
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Family Edwardsiidae
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Family Exocoelactiidae
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Family Galatheanthemidae
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Family Gonactiniidae
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Family Halcampidae
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Family Halcampoididae
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Family Halcuriidae
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Family Haliactiidae
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Family Haliplanellidae
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Family Haloclavidae
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Family Hormathiidae
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Family Iosactiidae
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Family Isanthidae
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Family Isophelliidae
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Family Limnactiniidae
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Family Liponematidae
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Family Metridiidae
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Family Minyadidae
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Family Nemanthidae
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Family Nevadneidae
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Family Octineonidae
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Family Phymanthidae
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Family Preactiidae
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Family Ptychodactiidae
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Family Sagartiidae
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Family Sagartiomorphidae
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Family Stichodactylidae
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Family Thalassianthidae
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