Daanosaurus

Daanosaurus (meaning "Da'an lizard" after Da'an district in Zigong, Sichuan) was a genus of dinosaur. It was a brachiosaurid sauropod which lived during the Late Jurassic (Oxfordian - Tithonian stage, about 163 - 145 mya). It lived in what is now China (Sichuan Province), and was similar to Bellusaurus.[1] When it was described, Daanosaurus was placed in the Bellusaurinae, a sub-family of Brachiosauridae that Dong Zhiming had raised in 1990 to house Bellusaurus, or the Klamelisauridae (also now merged with Brachiosauridae), used to house Klamelisaurus and possibly also Daanosaurus and Abrosaurus.[1][2] More recently, other authors have placed Daanosaurus in the Eusauropoda.[3][4]

Daanosaurus
Temporal range: Late Jurassic, 163–145 Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Suborder: †Sauropodomorpha
Clade: †Sauropoda
Clade: †Eusauropoda
Clade: †Neosauropoda
Clade: †Macronaria
Family: †Brachiosauridae
Genus: †Daanosaurus
Ye, Gao, & Jiang, 2005
Type species
†Daanosaurus zhangi
Ye, Gao, & Jiang, 2005

The type species from the Shaximiao Formation was described in 2005 as Daanosaurus zhangi.[2] Adult size is unknown due to lack of fossil remains. The holotype (ZDM 0193), which is the only known specimen, was a juvenile.[2]

References
  1. Brachiosauridae at Mikko's Phylogeny Archive
  2. Ye, Y.; Gao, Y.; Jiang, S. (2005). "A new genus of sauropod from Zigong, Sichuan". Vertebrata PalAsiatica. 43 (3): 175–181.
  3. L.-d. Xing, H. Dong, G.-z. Peng, C.-k. Shu, X.-d. Hu and H. Jiang. 2009. A scapular fracture in Yangchuanosaurus hepingensis (Dinosauria: Theropoda). Geological Bulletin of China 28(10):1390-1395
  4. M. D. D'Emic. 2012. The early evolution of titanosauriform sauropod dinosaurs. Zoological Journal of the Linnean Society 166:624-671


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