image: The skull of the juvenile T. rex, "Jane", was slender with knife-like teeth, having not yet grown big enough to crush bone. This material relates to a paper that appeared in the 1 Jan. 2020, issue of Science Advances, published by AAAS. The paper, by H.N. Woodward at Oklahoma State University Center for Health Sciences in Tulsa, OK, and colleagues was titled, " Growing up Tyrannosaurus rex: Osteohistology refutes the pygmy "Nanotyrannus" and supports ontogenetic niche partitioning in juvenile Tyrannosaurus." view more
Credit: [Credit: Scott A. Williams]