ecofactbook
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species
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Animalia
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Arthropoda
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Trilobita
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Phacopida
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Cheiruridae
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Ceraurinus
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Ceraurinus craigensis
Ceraurinus elongatus
Ceraurinus glaber
Ceraurinus icarus
Ceraurinus marginatus
Ceraurinus platycanthus
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Ceraurinus craigensis