Sinornithosaurus: quick facts

Sinornithosaurus was a small feathered dromaeosaurid from the Early Cretaceous of China, one of the early discoveries that demonstrated raptor dinosaurs were covered in feathers. Its remains preserve

Full Sinornithosaurus page →

Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.