Difference between facial growth of Neanderthals and modern humans

source: New York University

An international research team, led by Rodrigo Lacruz, PhD, assistant professor in the Department of Basic Science and Craniofacial Biology at New York University’s College of Dentistry (NYUCD), has just published a study describing for the first time the developmental processes that differentiate Neanderthal facial skeletons from those of modern humans.

Lacruz’s research team showed that the Neanderthals, who appeared about 200,000 years ago, are quite distinct from Homo sapiens (humans) in the manner in which their faces grow, adding to an old but important debate concerning the separation of these two groups. The paper, “Ontogeny of the Maxilla in Neanderthals and their Ancestors,” appears in Nature Communications.

“This is an important piece of the puzzle of evolution,” says Lacruz, a paleoanthropologist and enamel biologist. “Some have thought that Neanderthals and humans should not be considered distinct branches of the human family tree. However, our findings, based upon facial growth patterns, indicate they are indeed sufficiently distinct from one another.

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