After Rieppel, 1997 and Rieppel & Hagdorn, 1997
<==o †Eusauropterygia Tschanz, 1989 sensu Rieppel, 1997 and Rieppel & Hagdorn, 1997 |-- †Simosaurus gaillardoti [Simosauridae] `--o Nothosauroidea |?- †Sanchiaosaurus dengi |-- †Nothosauridae Baur, 1889 `--o †Pistosauroidea |--+?- †Corosaurus alcovensis Case, 1936 | |-- †Chinchenia sungi | `-- †Kwangsisaurus orientalis `--o †“Pistosauria” Zittel, 1887 sensu Rieppel, 1998 |-- †Augustasaurus hagdorni |--o †Cymatosaurus [Cymatosauridae] | |?- †C. stensioeii ( Haas, 1963) [Micronothosaurus stensioeii Haas, 1963] | |?- †C. erythreus | `-- †C. multidentatus `--+--o †Pistosaurus [Pistosauridae Zittel, 1887] | |?- †P. grandaevus | `-- †P. longaevus `-- †Plesiosauria [Plesiosauroidea] (plesiosaurs; joutsenliskot)
Reference(s):
- Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L. 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698 - Rieppel, O., 1997: Part II: Sauropterygia – Introduction. 107-119
in Callaway, J. M. & Nicholls, E. L., (eds.) 1997: Ancient Marine Reptiles.
–Academic Press, San Diego, 1997, xivi-501 - Rieppel, O. C., 1998: Corosaurus alcovensis Case and the phylogenetic interrelationships of Triassic stem-group Sauropterygia.
–Zoological Journal of the Linnean Society: Vol. 124, #1, pp. 1-41 - Rieppel, O. C., 1998: The status of Shingyisaurus unexpectatus from the Middle Triassic of Kweichou, China.
–Journal of Vertebrate Paleontology: Vol. 18, #3, pp. 541-544 - Rieppel, O. C. & Hagdorn, H., 1997: Paleobiogeography of Middle Triassic Sauropterygia in Central and Western Europe. 121-144
in Callaway, J. M. & Nicholls, E. L., (eds.) 1997: Ancient Marine Reptiles.
–Academic Press, San Diego, 1997, xivi-501 - Sander, P. M., Rieppel, O. C. & Bucher, H., 1997: A new pistosaurid (Reptilia: Sauropterygia) from the Middle Triassic of Nevada and its implications for the origin of the plesiosaurs.
–Journal of Vertebrate Paleontology: Vol. 17, #3, pp. 526-533