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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Agnostida
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Weymouthiidae
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Serrodiscus
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Serrodiscus ctenoa
Serrodiscus griswoldi
Serrodiscus latus
Serrodiscus spinulosus
Serrodiscus subclavatus
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Serrodiscus ctenoa