Named By: Masateru Shibata, Pratueng Jintasakul & Yoichi Azuma - 2011.
Classification: Chordata, Reptilia, Dinosauria, Ornithischia, Ornithopoda, Igaunodontia.
Species: R. suranareae (type).
Known locations: Thailand, Nakhon Ratchasima Province - Khok Kruat Formation.
Time period: Aptian of the Cretaceous.
Fossil representation: Dentary (lower jaw).
Although very little is known about this dinosaur, the dentary which has been used to establish the genus is noted as having a flat ramus. Ratchasimasaurus is thought to been an igaunodont, which in the loosest terms means that it was related to dinosaurs like Igaunodon.
- A New Iguanodontian Dinosaur from the Lower Cretaceous Khok Kruat Formation, Nakhon Ratchasima in Northeastern Thailand, Masateru Shibata, Pratueng Jintasakul & Yoichi Azuma - 2011.