Scientists examined a 165-million-year-old fossil from China and found a broad swimming tail plus bony throat structures; the Jurassic mammal predecessor could feed and swallow in ways seen in modern mammals
An X-ray photograph of the Megacauda fossil Scientists have examined a 165-million-year-old fossil found in China and identified a mammal predecessor that had a broad tail for swimming and throat bones similar to those found in modern mammals. The discovery suggests that some early relatives of mammals had already developed ways of chewing and swallowing…
