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There was a bony ridge on its nose and multiple hornlets and ridges, similar to Ceratosaurus and Tameryraptor. Yangchuanosaurus was a large, powerful meat-eater. It walked on two large, muscular legs, had short arms, a strong, short neck, a big head with powerful jaws, and large, serrated teeth. It had a long, massive tail that was about half ...
Sinraptor hepingensis, formerly referred to Yangchuanosaurus, is a second species referred to this genus. [1] However, the identity of this species within Sinraptor is questioned by other paleontologists, [7] [8] and the describers of Alpkarakush included this species within Yangchuanosaurus based on their phylogenetic analysis in 2024. [9]
It may belong to Yangchuanosaurus zigongensis. "Tonouchisaurus mongoliensis": A theropod reported to have a completely didactyl manus. "Vitakridrinda sulaimani": Supposedly an abelisaurid. It is sometimes treated as valid in mainstream literature, such as in a book by Thomas Holtz.
Carrano, Benson & Sampson (2012) noted that the name Metriacanthosauridae should be used as it has priority over Sinraptoridae. [4] Cladistically, Sinraptoridae had been latest defined in 2005 by Paul Sereno as the most inclusive monophyletic group that contains Sinraptor dongi and all species closer to Sinraptor than to either Allosaurus fragilis, Carcharodontosaurus saharicus, or the house ...
Allosaurus (/ ˌ æ l ə ˈ s ɔːr ə s /) [1] [2] is an extinct genus of large carnosaurian theropod dinosaur that lived 155 to 145 million years ago during the Late Jurassic period (Kimmeridgian to late Tithonian ages).
Yingshanosaurus (meaning "Yingshan lizard") is an extinct genus of stegosaurian dinosaurs from the Middle Jurassic of what is now Southwestern China. The genus contains a single species, Yingshanosaurus jichuanensis.
The Shaximiao Formation (simplified Chinese: 沙溪庙组; traditional Chinese: 沙溪廟組 / 沙溪廟層; pinyin: Shāxīmiào zǔ) is a Middle to Late Jurassic aged geological formation in Sichuan, China, most notable for the wealth of dinosaurs fossils that have been excavated from its strata.
Skull of the mount. In 1974, during construction of the Wujiaba dam in Zigong, Sichuan, the remains of a stegosaurian were found.. The type and only species of Tuojiangosaurus, Tuojiangosaurus multispinus, was named and described in 1977 (exactly a hundred years after the naming of Stegosaurus by Othniel Charles Marsh) by Dong Zhiming, Zhou Shiwu, Li Xuanmin and Chang Yijong.