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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Lichida
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Damesellidae
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Blackwelderia
Blackwelderioides
Damesella
Damesops
Drepanura
Metashantungia
Neodrepanura
Protaitzehoia
Shantungia
Stephanocare
Teinistion
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