Genus
Valid Extinct

Mixosaurus

Baur 1887
Etymology Lézard mélangé

Mixosaurus is an extinct genus of Middle Triassic ichthyosaur. Its fossils have been found near the Italy–Switzerland border and in South China.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
13
Group
Ichtyosaures
Carnivore nektonic Marine
Mixosaurus
click to enlarge
Mixosaurus Ichthyosaur fossil prepared by Fossil Shack © Seth.sorensen · CC BY-SA 3.0 · Wikimedia
PBDB Wikipedia
Classification
Ichthyosauria Unranked clade
Hueneosauria Unranked clade
Mixosauridae Family
Mixosaurus Genus
Fossil sites 13 geolocated sites
Distribution
Top countries
🇨🇭 Switzerland
4
🇨🇳 China
3
🇺🇸 United States
3
🇩🇪 Germany
2
🇮🇹 Italy
1
Geological formations
Guanling
3
Favret
3
Besano
3
Monte San Giorgio bituminous shales
2
Stockletten
1
Temporal distribution
Norian (227.3–205.7 Ma)
2
Anisian (246.7–241.464 Ma)
11
Species (8)
Mixosaurus cornalianus 243 Ma
Mixosaurus helveticus nomen dubium, species not entered Mixosaurus 252 Ma
Mixosaurus intermedius nomen dubium, species not entered Mixosaurus 252 Ma
Mixosaurus kuhnschneyderi 247 Ma
Mixosaurus luxiensis 247 Ma
Mixosaurus major nomen dubium, species not entered Mixosaurus
Mixosaurus timorensis nomen dubium, species not entered Mixosaurus
Mixosaurus xindianensis 244 Ma
Synonyms (5)
Mixosaurus helveticus nomen dubium, species not entered Mixosaurus
Mixosaurus intermedius nomen dubium, species not entered Mixosaurus
Mixosaurus major nomen dubium, species not entered Mixosaurus
Mixosaurus timorensis nomen dubium, species not entered Mixosaurus
Sangiorgiosaurus subjective synonym of Mixosaurus
Bibliography
Original description
J. J., Jr. Sepkoski. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560
Bibliography (11)
Y.-W. Fang, A. S. Wolniewicz, and J. Liu. 2024. A new species of mixosaurid ichthyosaur from the Middle Triassic of Luxi County, Yunnan Province, South China. Acta Palaeontologica Polonica 69(2):263-280 DOI ↗
X.-H. Chen and L. Cheng. 2010. A new species of Mixosaurus (Reptilia: Ichthyosauria) from the Middle Triassic of Pu'an, Guizhou, China. Acta Palaeontologica Sinica (2):251-260
X.-H. Chen and L. Cheng. 2009. The discovery of Mixosaurus (Reptilia: Ichthyopterygia) from the Middle Triassic of Luoping, Yunnan Province. Acta Geologica Sinica 83(9):1214-1220
P. M. Sander. 2000. Ichthyosauria: their diversity, distribution and phylogeny. Palaeontologische Zeitschrift 74(1/2):1-35 DOI ↗
M. W. Maisch and A. T. Matzke. 1997. Observations on Triassic ichthyosaurs. Part I: Structure of the palate and mode of tooth implantation in Mixosaurus cornalianus (Bassani, 1886). Neues Jahrbuch für Geologie und Paläontologie 1997(12):717-732 DOI ↗
P. M. Sander, O. C. Rieppel, and H. Bucher. 1994. A new marine vertebrate fauna from the Middle Triassic of Nevada. Journal of Paleontology 68(3):676-680 DOI ↗
P. M. Sander and H. Boucher. 1990. On the presence of Mixosaurus (Ichthyopterygia: Reptilia) in the Middle Triassic of Nevada. Journal of Paleontology 64(1):161-164 DOI ↗
P. M. Sander. 1988. A fossil reptile embryo from the Middle Triassic of the Alps. Science 329:780-782 DOI ↗
A. Toroni. 1979. Les reptiles du Trias moyen du Monte San Giorgio, Tessin [The reptiles from the Middle Triassic of Monte San Giorgio, Tessino]. Bulletin der Vereinigung Schweiz. Petroleum Geologen und Ingenieure 45(109):17-34
F. von Huene. 1916. Beiträge zur Kenntnis der Ichthyosaurier im deutschen Muschelkalk. Palaeontographica
F. Bassani. 1886. Sui fossili e sull'età degli schisti bituminosi triasici di Besano in Lombardia [On the fossils and the age of the Triassic bituminous schist of Besano in Lombardy]. Atti della Società Italiana di Scienze Naturale del Museo Civili de Storia Naturali 29:15-72