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Hagfish, Lampreys, Gnathostomes, Mammals, Birds, Fish, Reptiles, and Amphibians Are

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Hagfish, lampreys, gnathostomes, mammals, birds, fish, reptiles, and amphibians are all vertebrates and are sometimes referred to as the subphylum Craniata: animals with a cranium. Amphioxus and ascidians are not in Craniata. How does mapping characters associated with the neural crest assist us in understanding the evolution of complex traits such as the cranium? Hagfish, lampreys, gnathostomes, mammals, birds, fish, reptiles, and amphibians are all vertebrates and are sometimes referred to as the subphylum Craniata: animals with a cranium. Amphioxus and ascidians are not in Craniata. How does mapping characters associated with the neural crest assist us in understanding the evolution of complex traits such as the cranium?

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The neural crest is directly associated ...

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