First Land Animals Kept Fishlike Jaws for Millions of Years, Says UMass Amherst Biologist

Image Credit: Maija Karala

AMHERST, Mass. ­– Scientists studying how early land vertebrates evolved from fishes long thought that the animals developed legs for moving around on land well before their feeding systems and dietary habits changed enough to let them eat a land-based diet, but strong evidence was lacking. Now, for the first time fossil jaw measurements by Philip Anderson at the University of Massachusetts Amherst and others

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