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species
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Animalia
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Arthropoda
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Trilobita
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Ptychopariida
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Olenidae
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Porterfieldia
Porterfieldia thor
kingdom: Animalia
phylum: Arthropoda
class: Trilobita
order: Ptychopariida
family: Olenidae
genus: Porterfieldia
species: Porterfieldia thor
Where does Porterfieldia thor live?
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