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Animalia
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Echinodermata
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Crinoidea
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Cromyocrinidae
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Aglaocrinus
Cromyocrinus
Dicromyocrinus
Goleocrinus
Metacromyocrinus
Moapacrinus
Paracromyocrinus
Parethelocrinus
Parulocrinus
Synarmocrinus
Ulocrinus
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Aglaocrinus