But we know for certain that this back-to-the-water evolution did occur ... be side branches of the family tree. But the important thing is that each fossil whale shares new, whale-like features ...

Nearly a century later George Gaylord Simpson, the preeminent paleontologist of the 20th century, was still at a loss to explain where whales fit in his otherwise orderly evolutionary tree of mammals.

Understanding human evolution through the study of whale evolution Brief definition and history of mammals How did land-based mammals return to the sea? Fossils from "transitional species" trace ...

The largest dataset of cetacean genes ever collated has helped Flinders University scientists deep dive into the blue to fathom the triumph of baleen whale evolution. The new study, published in ...