Paleontologists Analyze Possible Dinosaur Nest, Young ‘Babysitter’

Some dinosaurs may have operated nurseries for their hatchlings, according to a new study. Researchers at the University of Pennsylvania examined a rock slab found in China that contains the fossils of 25 common plant-eating dinosaurs (Psittacosaurus lujiatunensis), that lived between 123 to 100 million years ago.  Twenty-four are very young dinosaurs, one a juvenile; based on the size of the skull. Paleontology professor Peter Dodson and doctoral student Brandon Hedrick...

© La Voix de l'Amérique - mercredi 27 août 2014