|Named By:||D. A. Russell & Z.inM. Dong in 1994|
|Time Period:||Early Cretaceous, 113 Ma|
|Location:||China - Zhonggou Formation|
|Size:||About 1 meter long, but holotype is of a subadult, a fully grown adult would likely be slightly larger|
|Fossil(s):||At least one almost complete specimen of a subadult|
|Classification:||| Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Troodontidae ||
Sinornithoides (meaning "Chinese bird form") is a genus of troodontid theropod dinosaurs containing the single species Sinornithoides youngi. S. youngi lived during the Early Cretaceous (Aptian/Albian stage, around 113 million years ago). It measured approximately one meter long (3.3 ft). It lived in Inner Mongolia, China, and probably ate invertebrates and other small prey.