A new gigantic sauropod dinosaur from the Cretaceous of Ruyang, Henan, China

Lü J C; Xu L; Jia S H; Zhang X L; Zhang J M; Yang L L; You H L; Ji Q

doi:10.12097/gbc.20090101

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Geological Bulletin of China > 2009 > 28(1): 1-10. > DOI: 10.12097/gbc.20090101

Lü J C, Xu L, Jia S H, Zhang X L, Zhang J M, Yang L L, You H L, Ji Q. 2009: A new gigantic sauropod dinosaur from the Cretaceous of Ruyang, Henan, China. Geological Bulletin of China, 28(1): 1-10. DOI: 10.12097/gbc.20090101

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A new gigantic sauropod dinosaur from the Cretaceous of Ruyang, Henan, China

Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China

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The new gigantic sauropod dinosaur Ruyangosaurus giganteus gen. et sp. nov. from the early Late Cretaceous Mangchuan Formation of Ruyang, Henan , China is described. It is characterized by a lower neural spine, lack of centroprezygapophyseal lamina, a large, irregularly triangular deep fossa on the lateral surface of the neural arch, the prezygodiapophyseal lamina oriented anteroposteriorly, and a robust tibia, some 127cm in length. The discovery of Ruyangosaurus indicates that a higher diversity of sauropod dinosaurs occurred during the early Late Cretaceous than previously thought.
- Ruyangosaurus,
- Sauropoda,
- early Late Cretaceous,
- Ruyang,Henan, China

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A new gigantic sauropod dinosaur from the Cretaceous of Ruyang, Henan, China

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