A newly discovered ancestor of Thescelosaurus shows evidence that these animals spent at least part of their time in underground burrows. The new species contributes to a fuller understanding of life during the mid-Cretaceous -- both above and below ground.
shows evidence that these animals spent at least part of their time in underground burrows. The new species contributes to a fuller understanding of life during the mid-Cretaceous -- both above and below ground.lived 99 million years ago in what is now Utah. At that time, the area was a large floodplain ecosystem sandwiched between the shores of a massive inland ocean to the east and active volcanoes and mountains to the west.
"The bias in the fossil record is toward bigger animals, primarily because in floodplain environments like the Mussentuchit, small bones on the surface will often scatter, rot away, or become scavenged before burial and fossilization," says Haviv Avrahami, Ph.D. student at NC State and digital technician for the new Dueling Dinosaurs program at the North Carolina Museum of Natural Sciences. Avrahami is first author of the paper describing the work.
"I wanted to honor the indigenous mythology of Guam, which is where my Chamorro ancestors are from," Avrahami says."In the myth, Fo'na became part of the land when she died, and from her body sprung forth new life, which to me, ties into fossilization, beauty, and creation.was most likely covered in a downy coat of colorful feathers.
The work appears in The Anatomical Record. Peter Makovicky of the University of Minnesota and Ryan Tucker of Stellenbosch University also contributed to the work.A new study shows that aging slows to a crawl when yellow-bellied marmots hibernate. These large ground squirrels are able to virtually halt the aging process during the seven to eight months they ...
Nature Evolutionary Biology Extinction Dinosaurs Paleontology Evolution Fossils
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