AsiaAverostraAvetheropodaCoelurosauriaDinosauriaEarly CretaceousEusaurischiaNeotheropodaOrionidesSaurischiaTetanuraeTheropoda

Siamotyrannus isanensis 

Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. Therefore, as of September 1, 2025, the database will be closed. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page.


Dinosaur: Siamotyrannus isanensis 

Cretaceous: 125.8–121.4 Ma
Type: Theropod

Length*:10 m32.8 ft
Weight*:1.75 t3,858 lb
ESR: 3 / 4 (estimated size reliability)
*The largest known specimen

Asia

Area: Asia


Period

Epoch: Early Cretaceous
Stage: Barremian
Years: 125.8–121.4 Ma

Details

Status: valid
Author: Buffetaut, Suteethorn & Tong
Year: 1996

Distribution

Area: Asia
Country: Thailand
Region: Khon Kaen
Formation: Sao Khua


Locations


Sources

Material: Vertebrae, chevrons, ilium, pubis, incomplete ischium and ischial fragment.
References: Samathi, Butler & Chanthasit, (2015). A revision of Siamotyrannus isanensis (Dinosauria:Theropoda) from the Early Cretaceous of Thailand.

________________________

If you are interested in Excel Professional version of Dinosaur or Pterosaur Database, write to us


Pterosaur Database