ecofactbook
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species
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Animalia
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Brachiopoda
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Rhynchonellata
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Spiriferinida
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Spiriferellinidae
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Crenispirifer
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Crenispirifer angulatus
Crenispirifer effrenus
Crenispirifer jubatus
Crenispirifer myllus
Crenispirifer sagus
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Crenispirifer angulatus