Siamraptor suwati was named by Chokchaloemwong et al. (2019) [Allosauroid theropod with the following autapomorphies among allosauroids: Jugal with straight ventral margin, and dorsoventrally deep anterior process below the orbit; surangular with a deep oval concavity at the posterior end of the lateral shelf and four posterior surangular foramina; long and narrow groove along the suture between surangular and prearticular; articular with a foramen at the notch of the suture with prearticular; anterior cervical vertebra with an additional pneumatic foramen excavating parapophysis; cervical and posterior dorsal vertebra penetrated by a pair of small foramina bilaterally at the base of neural spine.]. Its type specimen is NRRU-F01020008, a mandible (Articulated posterior half of the right mandible comprising the surangular, prearticular, and articular), and it is a 3D body fossil. Its type locality is Ban Pong Malaengwan, which is in an Aptian fluvial siltstone/mudstone in the Khok Kruat Formation of Thailand.