Ratchasimasaurus
Sign in to savethumb|Different angle of the mounted skeleton Ratchasimasaurus (meaning "Nakhon Ratchasima lizard") is a genus of iguanodontian ornithopod dinosaur from Early Cretaceous (Aptian stage) Khok Kruat Formation of Nakhon Ratchasima province in northeastern Thailand. The type and only species is R. suranareae, named after Thao Suranari, a 19th-century war heroine. It was considered by one study to be a nomen dubium, diagnosed with characters widespread in Styracosterna.
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thumb|Different angle of the mounted skeleton Ratchasimasaurus (meaning "Nakhon Ratchasima lizard") is a genus of iguanodontian ornithopod dinosaur from Early Cretaceous (Aptian stage) Khok Kruat Formation of Nakhon Ratchasima province in northeastern Thailand. The type and only species is R. suranareae, named after Thao Suranari, a 19th-century war heroine. It was considered by one study to be a nomen dubium, diagnosed with characters widespread in Styracosterna.
==Discovery and naming== Ratchasimasaurus was initially known as the "Probactrosaurus-like" iguanodontian and is only known from the holotype (specimen NRRU-A2064), a complete left dentary with no teeth that was found in the Khok Kruat Formation in Thailand by a local farmer near a pond, likely around ; NRRU-A2064 was mentioned by Norman in 2004 in a phylogenenetic analysis. The genus was named in 2011 by Shibata, Jintasakul & Azuma. The holotype is currently housed in The Northeastern Research Institute of Petrified Wood and Mineral Resources (NRIPM) and a mounted skeleton exists in River City, Bangkok.
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