Phuwiangosaurus

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Phuwiangosaurus
Temporal range: Early Cretaceous, 140–130 Ma
Phuwiangosaurus sirindhornae femur.JPG
Femur
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Clade: Sauropoda
Family: Euhelopodidae
Genus: Phuwiangosaurus
Martin, Buffetaut and Suteethorn, 1994
Type species
Phuwiangosaurus sirindhornae
Martin, Buffetaut and Suteethorn, 1994

Phuwiangosaurus (meaning "Phu Wiang lizard") is a genus of euhelopodid 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 1994; it was named to honour Princess Maha Chakri Sirindhorn of Thailand, who was interested in the geology and palaeontology of Thailand.

Phuwiangosaurus and Siamosaurus in their habitat

It was a mid-sized sauropod, measuring 15-20 m in length.

Phuwiangosaurus was originally assigned to Titanosauria, but D'Emic (2012, 2013), Mannion et al. (2013), and Mocho et al. (2014) have reclassified it outside Titanosauria in Euhelopodidae.[1][2][3][4]

References[edit]

  1. ^ M. D. D'Emic. 2012. The early evolution of titanosauriform sauropod dinosaurs. Zoological Journal of the Linnean Society 166:624-671.
  2. ^ M. D. D'Emic. 2013. Revision of the sauropod dinosaurs of the Lower Cretaceous Trinity Group, southern USA, with the description of a new genus. Journal of Systematic Palaeontology 11(6):707-726.
  3. ^ P. D. Mannion, P. Upchurch, R. N. Barnes and O. Mateus. 2013. Osteology of the Late Jurassic Portuguese sauropod dinosaur Lusotitan atalaiensis (Macronaria) and the evolutionary history of basal titanosauriforms. Zoological Journal of the Linnean Society 168:98-206.
  4. ^ P. Mocho, R. Royo-Torres, and F. Ortega. 2014. Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal. Zoological Journal of the Linnean Society 170:875-916.