Changes in primate teeth linked to rise of monkeys

Searching for simple inherited dental characteristics that could lead to genes controlling tooth development, researchers have uncovered an easy-to-measure trait that tracks primate evolution over the last 20 million years, shedding light on the mysterious decline of apes and the rise of monkeys 8 million years ago. The research shows that monkeys diversified and took over the dentition niche of the majority of apes. Apes with outlying dentition, including human ancestors, remained.
Paleontology News — ScienceDaily

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