Siamotyrannus
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| phylum | Chordata | Siamotyrannus (meaning "Siamese Tyrant") is a genus of carnivorous theropod dinosaur from the early Cretaceous of Thailand. As evidenced by its name, it was originally thought to be a tyrannosauroid and even a tyrannosaurid, though due to lacking some of the primary tyrannosauroid synapomorphies that define the clade, its position here is not certain. Some analyses have categorized Siamotyrannus as a primitive carnosaur rather than a basal tyrannosauroid, and it has several features that may determine it to be an allosaurid or a sinraptorid.
For more information, visit the Wikipedia entry. Get back to Theropoda |
| clade | Diapsida | |
| infraclass | Dinosauria | |
| order | Saurischia | |
| Suborder | Theropoda | |
| clade | Carnosauria | |
| genus | Siamotyrannus | |
| species | S. isanensis | |
| Period | Early Cretaceous |
