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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 Araeolaimida
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Family Teratocephalidae
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Genus Teratocephalus
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Species Teratocephalus annulatus
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Species Teratocephalus brevicaudatus
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Species Teratocephalus cornutus
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Species Teratocephalus costatus
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Species Teratocephalus dadayi
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Species Teratocephalus decarinus
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Species Teratocephalus hemisphaericus
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Species Teratocephalus lirellus
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Species Teratocephalus micrurus
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Species Teratocephalus spiralis
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Species Teratocephalus subvexus
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Species Teratocephalus tenuis
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Species Teratocephalus terrestris
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