Sao Khua Formation - Thailand

The Sao Khua formation in Thailand, which overlies the Phra Wihan Formation consists of red clays, sandstones and conglomorates, indicating deposition in a flood plain with meandering rivers. Although is was lon considered as Upper Jurassic, its stratigraphic position aboce the palynologically dated Phra Wihan Formation shows that it is at least Lower Cretaceous. Since the Aptian-Albian Khok Kruat Formation overlies the Phu Phan Formation, which itself overlies the Sao Khua Formation, the Sao Khua Formation must be pre-Aptian and Lower Cretaceous. (Buffetaut and Suteethorn , 1998)


Ginnareemimus - Phu Wiang - Ornithomimosauria Nomen Nudem - Cretaceous Early Valanginian Hauteravian


Kinnareemimus khonkaenensis - Locality Phu Wiang 5 - Coelurosauria Ornithomimosauria - Cretaceous Early



Phuwiangosaurus sirindhornae - Phu Wiang, Phu Patru Teema - Diplodocidae Dicraeosaurinae - Cretaceous Early Berriasian



Siamosaurus suteethorni - Phu Wiang, Changwat Khon Kaen - Spinosauridae Incertae Sedis - Cretaceous Early



Siamotyrannus isanensis - Isan region - Tyrannosauria Tyrannosauridae - Cretaceous Early Barremian



Sauropoda indet. - Changwat Khalasin - Sauropoda - Cretaceous Early Berriasian



Theropoda indet. (= compsognathid indet.) - Changwat Khon Kaen - Theropoda - Cretaceous Early Berriasian



Sauropoda indet. - Changwat Khon Kaen - Sauropoda - Cretaceous Early Berriasian