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SIRINDHORNA

a plant-eating hadrosauroid iguanodont dinosaur from the Early Cretaceous of Thailand.
Pronunciation: sih-rin-DHOR-nuh
Meaning: for Princess Sirindhorn
Author/s: Shibata et al. (2015)
Synonyms: None known
First Discovery: Nakhon Ratchasima, Thailand
Discovery Chart Position: #912

Sirindhorna khoratensis

(Sirindhorn's one from Korat)Etymology
Sirindhorna is named to honour the Princess Maha Chakri Sirindhorn for her contribution to the support and encouragement of paleontology in Thailand.
The species epithet, khoratensis, is derived from "Korat" (the informal name of Thailand's Nakhon Ratchasima Province) and the Latin "ensis" (from).
Discovery
The first remains of Sirindhorna were discovered in the Khok Kruat Formation (Khorat Group) at In Ban (meaning "village") Saphan Hinin, Suranaree Subdistrict, Muaeng Nakhon Ratchasima District, Nakhon Ratchasima Province, Thailand, by a crew from Nakhon Ratchasima Rajabhat University in 2005. The holotype (NRRU3001-166) is a partial skull. Referred material includes disarticulated skull elements, jaw bones and teeth.
Estimations
Timeline:
Era: Mesozoic
Epoch: Early Cretaceous
Stage: Aptian
Age range: 125-112 mya
Stats:
Est. max. length: ?
Est. max. hip height: ?
Est. max. weight: ?
Diet: Herbivore
References
• Shibata M, Jintasakul P, Azuma Y and You H-L (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.
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To cite this page:
Atkinson, L. "SIRINDHORNA :: from DinoChecker's dinosaur archive".
›. Web access: 06th Mar 2026.
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