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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Annelida (segmented worms)
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Class Polychaeta
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Order Canalipalpata
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Family Spionidae
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Genus Spio
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Species Spio armata
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Species Spio butleri
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Species Spio cirrifera
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Species Spio decorata
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Species Spio filicornis
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Species Spio goniocephala
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Species Spio limicola
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Species Spio martinensis
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Species Spio minus
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Species Spio multioculata
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Species Spio pacifica
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Species Spio pettiboneae
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Species Spio punctata
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Species Spio setosa
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