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
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Blackwelderia cilix
Blackwelderia longispina
Blackwelderia octaspina
Blackwelderia octospina
Blackwelderia paronai
Blackwelderia perconvexa
Blackwelderia sinensis
Blackwelderia sola
Blackwelderia spectabilis
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