December 8, 2016
Answers to frequently asked questions about a 255-year-old tumor in a ‘pre-mammal.’
University of Washington paleontologists have discovered a benign tumor made up of miniature, tooth-like structures embedded in the jaw of an extinct ‘mammal-like’ gorgonopsian. Known as a compound odontoma, this type of tumor is common to mammals today. But this animal lived 255 million years ago, before mammals even existed.
August 18, 2016
Paleontologists with the Burke Museum of Natural History and Culture and the UW have discovered a Tyrannosaurus rex, including a very complete skull. The find, which paleontologists estimate to be about 20 percent of the animal, includes vertebrae, ribs, hips and lower jaw bones.
August 13, 2015
A team of scientists has identified a new species of “pre-mammal” based on fossils unearthed in Zambia’s Luangwa Basin in 2009. The ancient, Dachshund-sized creature lived some 255 million years ago, in a time just before the largest mass extinction in Earth’s history. Its discoverers include Christian Sidor, professor of biology at the University of…
May 20, 2015
Burke Museum of Natural History and Culture paleontologists have documented the first dinosaur fossil from Washington state. The fossil was collected by a Burke Museum research team along the shores of Sucia Island State Park in the San Juan Islands.
April 29, 2013
Dinosaur predecessors gain ground in wake of world’s biggest biodiversity crisis — with photo gallery
Newly discovered fossils reveal a lineage of animals thought to have led to dinosaurs taking hold in Tanzania and Zambia, many millions of years before dinosaur relatives were seen in the fossil record elsewhere on Earth.