Bilateria is a unranked clade that includes deuterostomes (chordates, echinoderms, hemichordates, and possibly xenacoelomorphs) and protostomes (arthropods, molluscs, and many lineages known as worms).
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Dinopedia
Bilateria is a unranked clade that includes deuterostomes (chordates, echinoderms, hemichordates, and possibly xenacoelomorphs) and protostomes (arthropods, molluscs, and many lineages known as worms).
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