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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Sipuncula (peanut worms)
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Class Not assigned
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Order Not assigned
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Family Phascolosomatidae
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Genus Phascolosoma
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Species Phascolosoma agassizii
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Species Phascolosoma albolineatum
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Species Phascolosoma annulatum
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Species Phascolosoma arcuatum
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Species Phascolosoma glabrum
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Species Phascolosoma granulatum
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Species Phascolosoma lobostomum
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Species Phascolosoma maculatum
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Species Phascolosoma meteori
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Species Phascolosoma nigrescens
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Species Phascolosoma noduliferum
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Species Phascolosoma pacificum
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Species Phascolosoma perlucens
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Species Phascolosoma saprophagicum
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Species Phascolosoma scolops
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Species Phascolosoma stephensoni
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Species Phascolosoma turnerae
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