ecofactbook
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species
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Animalia
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Echinodermata
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Crinoidea
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Millericrinida
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Hyocrinidae
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Anachalypsicrinus
Belyaevicrinus
Calamocrinus
Dumetocrinus
Feracrinus
Gephyrocrinus
Hyocrinus
Ptilocrinus
Thalassocrinus
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Anachalypsicrinus