Sirindhorna

Sirindhorna
Temporal range: Early Cretaceous, Aptian
Right dentary
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Clade:Dinosauria
Order:†Ornithischia
Suborder:†Ornithopoda
Superfamily:†Hadrosauroidea
Genus:†Sirindhorna
Shibata, Jintasakul, Azuma & You, 2015
Type species
†Sirindhorna khoratensis
Shibata, Jintasakul, Azuma & You, 2015

Sirindhorna is an extinct genus of hadrosauroid ornithopod dinosaur from Early Cretaceous deposits of northeastern Thailand.[1]

Discovery and naming

Skull diagram of restoration

Sirindhorna is known from the holotype NRRU3001-166, an articulated braincase, as well as a number of other skull bones. It was collected in the Ban Saphan Hin site, Suranaree Subdistrict, Nakhon Ratchasima Province, from the Khok Kruat Formation, dating to the Aptian stage of the late Early Cretaceous, about 125-112 million years ago.[1] Sirindhorna was one of eighteen dinosaur taxa from 2015 to be described in open access or free-to-read journals.[2]

Sirindhorna was first named by Masateru Shibata, Pratueng Jintasakul, Yoichi Azuma and Hai-Lu You in 2015. The type species is Sirindhorna khoratensis. The generic name is dedication to Princess Maha Chakri Sirindhorn for her contribution to the support and encouragement of paleontology in Thailand. The specific name is derived from Khorat, the informal name of Nakhon Ratchasima Province.[1]

References

  1. 1 2 3 Masateru Shibata, Pratueng Jintasakul, Yoichi Azuma and Hai-Lu You (2015). "A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand". PLoS ONE. 10 (12): e0145904. doi:10.1371/journal.pone.0145904. PMC 4696827. PMID 26716981.
  2. ↑ "The Open Access Dinosaurs of 2015". PLOS Paleo.
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