Humans Got Their Flexible and Sturdy Joints From Fishes, Evidence Found in 400 Million-Year-Old Jawed Fish Evolution has ...

“Humans and fish aren’t close evolutionary cousins,” Siek said. “We’re part of the same phylum called Chordata. We share a common ancestor. Those in Chordata have backbones. So, this ...

While the common ancestor of vertebrates with synovial joints is still a mystery, the oldest specimen with evidence of these ...