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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 Phascolionidae
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Genus Phascolion
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Species Phascolion abnorme
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Species Phascolion bogorovi
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Species Phascolion caupo
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Species Phascolion cirratum
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Species Phascolion collare
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Species Phascolion convestitum
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Species Phascolion cryptum
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Species Phascolion gerardi
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Species Phascolion hedraeum
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Species Phascolion hibridum
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Species Phascolion hupferi
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Species Phascolion lucifugax
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Species Phascolion lutense
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Species Phascolion medusae
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Species Phascolion megaethi
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Species Phascolion microspheroidis
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Species Phascolion pacificum
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Species Phascolion pharetratum
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Species Phascolion psammophilus
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Species Phascolion rectum
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Species Phascolion robertsoni
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Species Phascolion strombus
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Species Phascolion tuberculosum
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Species Phascolion ushakovi
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Species Phascolion valdiviae
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