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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Echinodermata (sea stars, sea urchins, sea cucumbers, and relatives)
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Class Crinoidea
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Order Bourgueticrinida
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Family Bathycrinidae
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Genus Bathycrinus
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Genus Democrinus
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Genus Monachocrinus
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Genus Naumachocrinus
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Genus Rhizocrinus
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