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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Orthida
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Dalmanellidae
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Isorthis
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Isorthis arcuaria
Isorthis crassa
Isorthis mackenziei
Isorthis microscapha
Isorthis pygmaea
Isorthis szajnochai
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Isorthis arcuaria