A location in China covers 190-million-year old organic remains from non-avian dinosaurs and dinosaur embryos, and some of the world’s oldest recognized eggshells, The bones proved very rapid growth, doubling in length within the eggs. It shows the first evidence of such movement in a dinosaur.”
Resources:
http://news.discovery.com/animals/dinosaurs/dinosaur-organic-remains-and-embryos-found-130410.htm
