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beaked plant-eater
Sirindhorna
Say it like this: “sih-rin-DHOR-nuh”
Sirindhorna khoratensis
Sirindhorna ate plants and walked on two or four legs. It lived in the Early Cretaceous. Bones have been found in Thailand.
- When
- Early Cretaceous (Aptian) · roughly 121.4 to 113.2 million years ago
- Named in
- 2015 · Shibata, M.; Jintasakul, P.; Azuma, Y.; You, H. L.
- Hip height
- Not established
- Length
- Not established
- Weight
- Not established
- Found in
- Thailand · Khok Kruat
- Food and walking
- Herbivore · Two or four legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Hadrosauroidea
The story in short
The genus Sirindhorna dates to 2015, the year M. Shibata and colleagues described it. The name honors a person tied to the fossil or its study.
It lived in the Early Cretaceous (Aptian), roughly 121.4 to 113.2 million years ago. Finds come from Thailand, including the Khok Kruat Formation. It was a herbivore and could move on two or four legs.
The fossils of Sirindhorna are too incomplete for a responsible length, hip height, or weight, so those fields are left blank on purpose.
On the family tree it sits in Hadrosauroidea, among the ornithopod dinosaurs.
Close relatives
Altirhinus
Altirhinus kurzanovi
Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago
Batyrosaurus
Batyrosaurus rozhdestvenskyi
Late Cretaceous (Santonian · Campanian) · roughly 85.7 to 72.2 million years ago
Bolong
Bolong yixianensis
Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago