|Named By:||Phillip Currie, John Keith Rigby & Robert Evan Sloan in 1990|
|Time Period:||Late Cretaceous, 76.5 Ma|
|Location:||Canada - Alberta - Judith River Formation, Horseshoe Canyon Formation and Scollard Formation. USA - Wyoming - Lance Formation, Texas - Aguja Formation, and possibly Utah - Cedar Mountain Formation|
|Size:||Unknown due to lack of fossil material|
|Fossil(s):||Pair of mandibles (lower jaw bones) and large amounts of teeth|
|Classification:||| Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Dromaeosauridae ||
Richardoestesia is a medium-sized (~100 kg) genus of theropod dinosaur from the late Cretaceous Period of what is now North America. It currently contains two species, R. gilmorei and R. isosceles.