Mixosauria

Mixosauria Temporal range: 230–210 Ma PreЄ Є O S D C P T J K Pg N
Contectopalatus atavus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Sauropsida
Subclass:	?Diapsida
Superorder:	Ichthyopterygia
Order:	Ichthyosauria
Infraorder:	Mixosauria Motani, 1999
Genera
Wimaniidae Maisch, 2010 Wimanius Maisch and Matzke, 1998 Mixosauridae Baur, 1887 Barracudasauroides Maisch, 2010 Contectopalatus Maisch and Matzke, 1998 Mixosaurus Baur, 1887 Phalarodon Merriam, 1910

The Mixosauria were an early group of ichthyosaurs, living between 250 and 230 million years ago, during the Triassic period.^[1] Fossils of mixosaurs have been found all over the world: China, Timor, Indonesia, Italy, Germany, Spitsbergen, Switzerland, Svalbard, Canada, Alaska, and Nevada.

Cladogram based on Motani (1999),^[2] Maisch and Matzke (2000),^[3] and Jiang, Schmitz, Hao & Sun (2006),^[4] with clade and generic names following Maisch (2010):^[1]

Mixosauria	Wimaniidae Wimanius Mixosauridae Mixosaurinae Barracudasauroides Mixosaurus cornalianus Mixosaurus kuhnschnyderi Phalarodontinae Contectopalatus Phalarodon callawayi Phalarodon fraasi

References

1. Michael W. Maisch (2010). "Phylogeny, systematics, and origin of the Ichthyosauria – the state of the art" (PDF). Palaeodiversity. 3: 151–214.
2. Motani, R. (1999). "Phylogeny of the Ichthyopterygia". Journal of Vertebrate Paleontology. 19: 472–495. doi:10.1080/02724634.1999.10011160.
3. Michael W. Maisch and Andreas T. Matzke (2000). "The Ichthyosauria" (PDF). Stuttgarter Beiträge zur Naturkunde: Serie B. 298: 159.
4. Da-Yong Jiang, Lars Schmitz, Wei-Cheng Hao, and Yuan-Lin Sun (2006). "A new mixosaurid Ichthyosaur from the Middle Triassic of China". Journal of Vertebrate Paleontology. 26 (1): 60–69. doi:10.1671/0272-4634(2006)26[60:ANMIFT]2.0.CO;2.