Sanchiaosaurus

Sanchiaosaurus is an extinct genus of a basal nothosauroid[1] known from the Middle Triassic (Anisian age) of Guizhou Province, southwestern China. It contains a single species, Sanchiaosaurus dengi.[2]

Sanchiaosaurus
Temporal range: Middle Triassic, Anisian
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: †Sauropterygia
Order: †Nothosauroidea
Genus: †Sanchiaosaurus
Young, 1965
Type species
†Sanchiaosaurus dengi
Young, 1965

Discovery

Sanchiaosaurus is known solely from the holotype IVPP V3228, a partial skeleton housed at the Institute of Vertebrate Paleontology and Paleoanthropology. This skeleton is exposed in ventral view, i.e. from below, and preserves the skull and lower jaw, 1 isolated tooth and a partially preserved postcranial skeleton. IVPP V.3228 was collected near the Jinzhong Bridge, in the suburbs of Guiyang City, Chinchungchiao, Sanchiao in the vicinity of Guiyang, Guizhou Province, from the first member of the Guanling Formation, dating to the Anisian stage of the early Middle Triassic, about 245 million years ago.[2]

Etymology

Sanchiaosaurus was first described and named by Yang Zhongjian, also known as Chung-Chien Young, in 1965 and the type species is Sanchiaosaurus dengi. The generic name is derived from Sanchiao, in reference to the locality where the holotype was found, and from Greek saurus, meaning "lizard", a common suffix for genus names of extinct reptile.[2]

References
  1. Olivier Rieppel (1999). "The sauropterygian genera Chinchenia, Kwangsisaurus, and Sanchiaosaurus from the Lower and Middle Triassic of China". Journal of Vertebrate Paleontology. 19 (2): 321–337. doi:10.1080/02724634.1999.10011144.
  2. Chung-Chien Young (1965). "On the new nothosaurs from Hupeh and Kweichou, China". Vertebrata PalAsiatica. 9 (4): 337–356.


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