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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Class Adenophorea
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Subclass Chromadoria
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Order Desmodorida
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Family Cyatholaimidae
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Genus Acanthonchus
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Species Acanthonchus californicus
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Species Acanthonchus cobbi
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Species Acanthonchus duplex
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Species Acanthonchus duplicatus
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Species Acanthonchus gracilis
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Species Acanthonchus rostratus
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Species Acanthonchus viviparus
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