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Sonidosaurus

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Extinct genus of dinosaurs
Sonidosaurus
Temporal range: Late Cretaceous (TuronianSantonian) 93.9–83.6 Ma [1]
Reconstructed skeleton
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Sauropodomorpha
Clade: Sauropoda
Clade: Macronaria
Clade: Titanosauria
Clade: Lithostrotia
Genus: Sonidosaurus
Species:
S. saihangaobiensis
Binomial name
Sonidosaurus saihangaobiensis
Xu et al., 2006

Sonidosaurus (meaning "Sonid lizard", after Sonid, the large geographical area that includes the type locality[2] ) is a genus of sauropod dinosaur from the Late Cretaceous. It was a titanosaur which lived in what is now Inner Mongolia. The type species, Sonidosaurus saihangaobiensis, was described by Xu, Zhang, Tan, Zhao, and Tan in 2006. It was a small titanosaur, about 9 meters (30 ft) long.[2] It was first discovered in the Saihangaobi, Iren Dabasu (Erlian) Formation, in 2001[2] in a quarry which would later yield the remains of Gigantoraptor .[3]

Classification

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In a 2017 review of Asian titanosaurs, Sonidosaurus was considered a lithostrotian titanosaur, with possible saltasaurid affinities. In particular, it shared with saltasaurids and the Bor Guve titanosaur a posterior centrodiapophyseal lamina on its dorsal vertebrae.[1]

Paleoenvironment

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Sonidosaurus in the only known sauropod of the Iren Dabasu Fauna. The largest theropods that shared habitat with Sonidosaurus were the oviraptorosaur Gigantoraptor and the tyrannosauroid Alectrosaurus . Gilmoreosaurus lived in the same place, it is the largest known ornithischian from the fauna.[4]

References

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  1. ^ a b Averianov, Alexander; Sues, Hans-Dieter (January 2017). "Review of Cretaceous sauropod dinosaurs from Central Asia". Cretaceous Research. 69: 184–197. Bibcode:2017CrRes..69..184A. doi:10.1016/j.cretres.201609006 . ISSN 0195-6671.
  2. ^ a b c Xu Xing; Zhang Xiaohong; Tan Qingei; Zhao Xijin; Tan Lin (2006). "A new titanosaurian sauropod from Late Cretaceous of Nei Mongol, China" (PDF). Acta Geologica Sinica. 80 (1): 20–26. Bibcode:2006AcGlS..80...20X. doi:10.1111/j.1755-6724.2006.tb00790.x. S2CID 129970315. Archived (PDF) from the original on 2024年06月11日.
  3. ^ Xing, X.; Tan, Q.; Wang, J.; Zhao, X.; Tan, L. (2007). "A gigantic bird-like dinosaur from the Late Cretaceous of China". Nature. 447 (7146): 844−847. Bibcode:2007Natur.447..844X. doi:10.1038/nature05849. PMID 17565365. S2CID 6649123.
  4. ^ Xu Xing; Tan Qingwei; Wang Jianmin; Zhao Xijin; Tan Lin (2007). "A gigantic bird-like dinosaur from the Late Cretaceous of China (Supplementary information)" (PDF). Nature. 447 (7146): 844–7. Bibcode:2007Natur.447..844X. doi:10.1038/nature05849. PMID 17565365. S2CID 6649123. Archived from the original (PDF) on 2016年03月10日.
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Avemetatarsalia
Sauropodomorpha
    • see below↓
Saturnaliidae
Unaysauridae
Plateosauridae
Riojasauridae
Massospondylidae
Sauropodiformes
Anchisauria
Sauropoda
    • see below↓
Lessemsauridae
Vulcanodontidae
Cetiosauridae
Mamenchisauridae
Turiasauria
Neosauropoda
Diplodocoidea
  • (see below ↓ )
Macronaria
  • (see below ↓ )
Dubious sauropods
Rebbachisauridae
Khebbashia
Limaysaurinae
Rebbachisaurinae
Flagellicaudata
Dicraeosauridae
Diplodocidae
Apatosaurinae
Diplodocinae
Camarasauridae
Brachiosauridae
Somphospondyli
Euhelopodidae
Diamantinasauria
Titanosauria
    • see below↓
Lirainosaurinae
Colossosauria
Rinconsauria
Aeolosaurini
Lognkosauria
Saltasauroidea
Nemegtosauridae
Saltasauridae
Opisthocoelicaudiinae
Saltasaurinae
Dubious titanosaurs
Topics in sauropodomorph research


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