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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Craniata (craniates)
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Euteleostomi (bony vertebrates)
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Tetrapoda (tetrapods)
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Genus Chthonerpeton
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Species Chthonerpeton arii
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Species Chthonerpeton braestrupi
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Species Chthonerpeton exile
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Species Chthonerpeton indistinctum
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Species Chthonerpeton noctinectes
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Species Chthonerpeton onorei
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Species Chthonerpeton perissodus
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Species Chthonerpeton viviparum
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