Dinosaur eggs, embryos, and juveniles from the Upper Triassic and Lower Jurassic

Fossils with direct evidence on dinosaur reproduction behaviour and early ontogeny (development of embryos and hatchlings) are very rare, particularly those from deposits...能够提供恐龙繁殖行为及早期个体发育（胚胎与幼体发育）直接证据的化石极为罕见，尤其是产自沉积地层的此类化石……