Sinornithosaurus noun2 •A small, carnivorous, dromaeosaurid dinosaur which belongs to the family Dromaeosauridae of subfamily Microraptorinae. •A genus of feathered dromaeosaurid dinosaurs from the early Cretaceous which originates in what is now China.We believe the first lice lived on feathered dinosaurs about 125 million years ago. [Image] Sinornithosaurus (Cretaceous Period) — 2023 formsSinornithosauruses
