Sao Khua Formation
…Phu Wiang Site 9B, Phu Wiang Mountain, Khon Kaen province. A megaraptoran. Siamosaurus S. suteethorni Isolated teeth. A potentially dubious spinosaur. Siamotyrannus S. isanensis "Pelvis, dorsal, sacral, and caudal vertebrae." An avetheropodan of uncertain position Vayuraptor V. nongbualamphuensis Phu Wat Site A1…