- Not to be confused with Sinraptor .
Siamraptor suwati is a species Carcharodontosaurid theropod dinosaur that was lived approxi
mately 120 million years ago at Early Cretaceous period. This species was a member of Carcharodontosauria, a group of large carnivorous theropods from the Jurassic and Cretaceous periods. The Siamraptor itself is the oldest carcharodontosaurian dinosaur known and is the first of its kind from Southeast Asia. 
DiscoveryThe fossilized remains of at least four Siamraptor suwati specimens, skulls, backbone, limbs, and hips; were recovered from the Khok Kruat Formation in Nakhon Ratchasima province, Thailand. The fossils were analyzed by Dr. Duangsuda Chokchaloemwong of Nakhon Ratchaima Rajabhat University and her colleagues from Thailand & Japan.
Their phylogenetic analyses revealed that Siamraptor is indeed a basal species of Carcharodontosauria, involving a new sight of the paleobiogeographical context of this group; the paleontologists have concluded
Siamraptor Suwati is the best known preserved carcharodontosaurian theropod from Southeast Asia, that its discovery sheds a new light on the evolutionary history of Carcharodontosauria.
Siamraptors were, like all known Charcarodontosaurids, Predatory theropods that consume any prey animal avaiable. The Siamraptors might've co-existed and/or competed with other species of large theropods, such as spinosaurid Siamosaurus.
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