Genus
Valid Extinct

Chaohusaurus

Young and Dong 1972

Chaohusaurus is an extinct genus of basal ichthyosauriform from the Early Triassic of Chaohu and Yuan'an, China.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
9
Group
Ichtyosaures
Carnivore nektonic Marine
Chaohusaurus
click to enlarge
Chaohusaurus specimen AGM CHS-5, a nearly complete skeleton that is almost as large as AGM I-1. Large scale bars are 10 cm, and short bars 2 cm. © Ryosuke Motani, Da-yong Jiang mail, Andrea Tintori, Olivier Rieppel, Guan-bao Chen · CC BY 2.5 · Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Ichthyosauria Unranked clade
›
Grippiidae Family
›
Chaohusaurus Genus
Fossil sites 9 geolocated sites
Distribution
Top countries
🇨🇳 China
9
Geological formations
Nanlinghu
3
Temporal distribution
Anisian (247–241.464 Ma)
1
Olenekian (250.8–247 Ma)
8
Species (6)
Chaohusaurus brevifemoralis 251 Ma
Chaohusaurus chaoxianensis 251 Ma
Chaohusaurus geishanensis 249 Ma
Chaohusaurus zhangjiawanensis 247 Ma
Chensaurus chaoxianensis 249 Ma
Chensaurus faciles objective synonym of Chaohusaurus geishanensis 249 Ma
Synonyms (2)
Anhuisaurus subjective synonym of Chaohusaurus
Chensaurus subjective synonym of Chaohusaurus
Images 2
Bibliography
Original description
J. J., Jr. Sepkoski. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560
Bibliography (7)
J. Huang, R. Motani, and D. Jiang, A. Tintori, O. Rieppel, M. Zhou, X. Ren, R. Zhang. 2019. The new ichthyosauriform Chaohusaurus brevifemoralis (Reptilia, Ichthyosauromorpha) from Majiashan, Chaohu, Anhui Province, China. PeerJ 7(e7561) DOI ↗
M. Zhou, D.-Y. Jiang, and R. Motani, A. Tintori, C. Ji, Z.-Y. Sun. 2017. The cranial osteology revealed by three-dimensionally preserved skulls of the Early Triassic ichthyosauriform Chaohusaurus chaoxianensis (Reptilia: Ichthyosauromorpha) from Anhui, China. Journal of Vertebrate Paleontology DOI ↗
R. Motani, D. Y. Jiang, and A. Tintori, O. Rieppel, G. B. Chen. 2014. Terrestrial origin of viviparity in Mesozoic marine reptiles indicated by Early Triassic embryonic fossils. PLoS One 9(2):e88640 DOI ↗
X. Chen, P. M. Sander, and L. Cheng, X. Wang. 2013. A new Triassic primitive ichthyosaur from Yuanan, South China. Acta Geologica Sinica 87(3):672-677
P. M. Sander. 2000. Ichthyosauria: their diversity, distribution and phylogeny. Palaeontologische Zeitschrift 74(1/2):1-35 DOI ↗
R. Motani and H. You. 1998. The forefin of Chensaurus chaoxianensis (Ichthyosauria) shows delayed mesopodial ossification. Journal of Paleontology 72(1):133-136 DOI ↗
R. Motani, H. You, and C. McGowan. 1996. Eel-like swimming in the earliest ichthyosaurs. Nature 382:347-348 DOI ↗