Genus
Valid Extinct

Keichousaurus

Young 1958

Keichousaurus is an extinct genus of pachypleurosaurian marine reptile from the Chialingchiang and Falang Formations of China with two known species attributed to the genus: K. hui and K. yuananensis.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
7
Group
Sauroptérygiens
Marine
Keichousaurus
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Photograph of a fossil cast of a Keichousaurus hui skeleton taken at the North American Museum of Ancient Life. © Ninjatacoshell · CC BY-SA 3.0 · Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Sauropterygia Suborder
›
Eosauropterygia Order
›
Pachypleurosauroidea Superfamily
›
Keichousauridae Family
›
Keichousaurus Genus
Fossil sites 7 geolocated sites
Distribution
Top countries
🇨🇳 China
7
Geological formations
Falang
5
Jialingjiang
1
Gejiu
1
Temporal distribution
Ladinian (241.464–237 Ma)
6
Olenekian (249.9–246.7 Ma)
1
Species (2)
Keichousaurus hui 239 Ma
Keichousaurus yuananensis 250 Ma
Images 1
Bibliography
Original description
J. J., Jr. Sepkoski. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560
Bibliography (5)
H. Lu, D.-Y. Jiang, and R. Motani, P.-G. Ni, Z.-Y. Sun, A. Tintori, S.-Z. Xiao, M. Zhou, C. Ji, W.-F. Fu. 2018. Middle Triassic Xingyi Fauna: Showing turnover of marine reptiles from coastal to oceanic environments. Palaeoworld 27(1):107-116 DOI ↗
C. Li, L. J. Zhao, and L. T. Wang. 2007. A new species of Macrocnemus (Reptilia: Protorosauria) from the Middle Triassic of southwestern China and its palaeogeographical implication. Science in China Series D: Earth Sciences 50(11):1601-1605 DOI ↗
Z. Sun, M. W. Maisch, and W.-C. Hao, D. Jiang. 2005. A Middle Triassic thalattosaur (Reptilia: Diapsida) from Yunnan (China). Neues Jahrbuch fur Geologie und Palaontologie Monatshefte (4):193-206 DOI ↗
C.-C. Young. 1965. On the new nothosaurs from Hupeh and Kweichou, China. Vertebrata PalAsiatica 9(4):337-356
C.-C. Young. 1958. On the new Pachypleurosauroidea from Keichow, south-west China. Vertebrata PalAsiatica 2(2-3):72-81