Articles for tag: evolution of mammals, paleontology, prehistoric marine life, transitional fossils, walking whales

The Walking Whales That Bridged Life Between Sea and Land

The Walking Whales That Bridged Life Between Sea and Land

Imagine discovering the fossil of a creature that fundamentally changed our understanding of life itself. Cetaceans (whales, dolphins, and porpoises) are an order of mammals that originated about approximately 48.5 million years ago in the Eocene epoch. What seems impossible today was reality millions of years ago: Early ancestors of modern whales once walked on ...