Phuwiangosaurus
Extinct genus of dinosaurs / From Wikipedia, the free encyclopedia
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Phuwiangosaurus (meaning "Phu Wiang lizard") is a genus of titanosaur dinosaur from the Early Cretaceous (Valanginian-Hauterivian) Sao Khua Formation of Thailand. The type species, P. sirindhornae, was described by Martin, Buffetaut, and Suteethorn in a 1993 press release[1] and was formally named in 1994.[2] The species was named to honor Princess Maha Chakri Sirindhorn of Thailand, who was interested in the geology and palaeontology of Thailand, while the genus was named after the Phu Wiang area, where the fossil was discovered.
Phuwiangosaurus | |
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Femur | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | Saurischia |
Clade: | †Sauropodomorpha |
Clade: | †Sauropoda |
Clade: | †Macronaria |
Family: | †Euhelopodidae |
Genus: | †Phuwiangosaurus Martin, Buffetaut and Suteethorn, 1994 |
Type species | |
†Phuwiangosaurus sirindhornae Martin, Buffetaut and Suteethorn, 1994 |
Phuwiangosaurus was originally assigned to Titanosauria, but more recent studies have placed it in a more basal position within the Titanosauriformes. Phylogenetic analyses presented by D'Emic (2012), Mannion et al. (2013), and Mocho et al. (2014) resolve Phuwiangosaurus within the Euhelopodidae, alongside genera such as Euhelopus and Tangvayosaurus.[3][4][5] Other analyses have failed to find support for such a grouping,[6] including some finding it to be paraphyletic at the base of Somphospondyli.[4][7]