fossils

Why Whales? What Sends Land Animals Back to Sea

April 20, 2018
What drives species to move into such a different habitat? Two paleontologists at UC Davis, Geerat Vermeij and Ryosuke Motani, set out to test these ideas by compiling a list of all the groups of mammals, birds, reptiles and amphibians that have re-occupied marine environments and comparing their time of return to the ocean with known mass-extinction events.

Rewriting the History of Our Species

June 07, 2017
New fossil finds from the Jebel Irhoud archaeological site in Morocco do more than push back the origins of our species by 100,000 years. They also reveal what was on the menu for our oldest-known Homo sapiens ancestors 300,000 years ago

Evolution of Biggest Whales Linked With Ocean Productivity

August 12, 2016
The similar pathways to enormous size among whales and sea cows provide new insights into the history of the ocean’s food supply, according to paleontologists Nick Pyenson, curator of Fossil Mammals at the Smithsonian National Museum of Natural History, and Geerat Vermeij, distinguished professor of paleontology at the University of California, Davis.

Fossil Discovery Fills Evolutionary Gap

November 05, 2014
The first fossil of an amphibious ichthyosaur has been discovered in China by a team led by researchers at the University of California, Davis.