Genus
Valid Extinct

Ratchasimasaurus

Shibata et al. 2011

Ratchasimasaurus is a genus of iguanodontian ornithopod dinosaur from Early Cretaceous 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.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
1
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Ratchasimasaurus
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Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
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Ornithischia Unranked clade
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Neornithischia Unranked clade
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Pyrodontia Unranked clade
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Cerapoda Unranked clade
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Ornithopoda Suborder
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Iguanodontia Infraorder
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Euiguanodontia Unranked clade
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Dryomorpha Unranked clade
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Ankylopollexia Unranked clade
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Styracosterna Unranked clade
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Hadrosauriformes Unranked clade
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Hadrosauroidea Unranked clade
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Ratchasimasaurus Genus
Fossil sites 1 geolocated sites
Distribution
Top countries
🇹🇭 Thailand
1
Geological formations
Khok Kruat
1
Temporal distribution
Aptian (121.4–113.2 Ma)
1
Species (1)
Ratchasimasaurus suranareae 121 Ma
Images 1
Bibliography
Original description
M. Shibata, P. Jintasakul, and Y. Azuma. 2011. A new iguanodontian dinosaur from the Lower Cretaceous Khok Kruat Formation, Nakon Ratchasima in northeastern Thailand. Acta Geologica Sinica (English Edition) 85(5):969-976 DOI ↗
Bibliography (1)
M. Shibata, P. Jintasakul, and Y. Azuma. 2011. A new iguanodontian dinosaur from the Lower Cretaceous Khok Kruat Formation, Nakon Ratchasima in northeastern Thailand. Acta Geologica Sinica (English Edition) 85(5):969-976 DOI ↗