165-million-year-old fossil shows mammal ancestor had modern swallowing traits
Researchers have described a 165-million-year-old mammal predecessor discovered in China. The Jurassic animal, named Megacauda sungei, possessed a broad tail for swimming and specialized throat bones. Its anatomy indicates it could chew and swallow food using structures similar to modern mammals. The study, published in Nature, provides new understanding of how early mammals evolved diverse feeding methods.
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