†Sauropterygia (original) (raw)

After Rieppel, 1997, 1998ab, Rieppel & Hagdorn, 1997, Rieppel, Sander & Storrs, 2002, and Cheng, Chen, Zeng & Cai, 2012

Family -level taxonomy of all sauropterygians.

**<==**o †Sauropterygia Owen, 1860 |?- †Thalattosauriformes Merriam, 1905 sensu Rieppel, 1997 --+?- †_Atopodentatus unicus_ Cheng, Chen, Shang & Wu, 2014 [very tentative placement] |?-o †Placodontiformes Neenan, Klein & Scheyer, 2013 | |-- †_Palatodonta bleekeri_ Neenan, Klein & Scheyer, 2013 | -- †Placodontia Cope, 1871 sensu Rieppel, 2000 --o †Eosauropterygia Rieppel, 1994 --o †Eusauropterygia Tschanz, 1989 sensu Rieppel, 1997, and Rieppel & Hagdorn, 1997 |?- †Sanchiaosaurus dengi Young, 1965 |--o †Nothosauroidea Baur, 1889 | |-- †Largocephalosaurus polycarpon Cheng, Chen, Zeng & Cai, 2012 | --+?- †_Wumengosaurus delictomandibularis_ Jiang, Rieppel, Motani, Hao, W-C. Sun, Schmitz, & Z-Y. Sun, 2008 | --+--o †Pachypleurosauroidea Huene, 1956 | | -- [Pachypleurosauridae](pachypleurosauridae.html) Nopcsa, 1928 | --+--o †Keichousaurus Young, 1958 sensu Cheng et al., 2012 | | |?- †K. sp. [CM 91.92.1 (Rieppel, 1994a)] | | |-- †K. hui Young, 1958 | | |-- †K. lusiensis Gonzui, 1978 | | -- †_K. yuananensis_ Young, 1965 | --o †Nothosauria | |?- †Hemilopas mentzeli Meyer, 1851 | |--o †Simosaurus Meyer, 1842 [Simosauridae] | | |?- S.? mougeoti Meyer, 1842 | | |?- S. guilelmi Meyer, 1855 | | -- _S. gaillardoti_ Meyer, 1842 | -- †Nothosauridae Baur, 1889 --o †Pistosauroidea Baur, 1887-1890 [_non_ Zittel, 1887] |--+-- †_Corosaurus alcovensis_ Case, 1936 | |-- †_Chinchenia sungi_ Young, 1965 | -- †Kwangsisaurus orientalis Young, 1959a --o †Pistosauria Baur, 1887-1890 _sensu_ Rieppel, 1998 [_non_ Zittel, 1887] |--o †_Cymatosaurus_ Fritsch, 1894 [Cymatosauridae] | |?- †_C. stensioeii_ (Haas, 1963) [_Micronothosaurus stensioeii_ Haas, 1963] | |?- †_C. erythreus_ | |?- †_C. friedericianus_ | |?- †_C. latifrons_ (Gurich, 1884) | |?- †_C. nova_ (Rieppel, 1987) Rieppel, 1997 | -- †C. multidentatus von Huene, 1958 |?- †Bobosaurus forojuliensis Dalla Vecchia, 2006 |?- †Yunguisaurus liae Cheng et al., 2006 --+-- †[Plesiosauria](plesiosauria.html) de Blainville, 1835 (plesiosaurs; joutsenliskot) --o †Pistosauridae Baur, 1887-1890 [non Zittel, 1887] |-- †Augustasaurus hagdorni Sander, Rieppel & Bucher, 1997 --o †_Pistosaurus_ Meyer, 1839 |?- †_P. grandaevus_ Meyer, 1855 -- †P. longaevus Meyer, 1839

Sauropterygia incertae sedis:

_Deirosaurus italicus_ Owen, 1854
_Lamprosauroides goepperti_ Schmidt, 1928
_Nothosauravus geraensis_ Kuhn, 1958

†Saurosphargidae †Saurosphargis voltzi v. Huene, 1936 [type destroyed in WWII] †Sinosaurosphargis yunguiensis Li, Rieppel, Wu, Zhao & Wang, 2011

| After Neenan, Klein & Scheyer, 2013 <==+-- †Ichthyopterygia `--o †Sauropterygia |-- †Thalattosauriformes `--+--+-- †Hanosaurus | `-- †Eusaurosphargis_ `--+-- †_Helveticosaurus `--+-- †Sinosaurosphargis_ `--+--o †Placodontiformes | | -- †_Palatodonta bleekeri | `-- †Placodontia `--+--+-- †Yunguisaurus | `--+-- †Plesiosauria | `--+-- †Pistosaurus | `-- †Augustasaurus_ `--+--+-- †_Corosaurus | `-- †Cymatosaurus_ `--+-- †Pachypleurosauroidea `--+-- †Simosaurus `-- †Nothosauridae | After Li, Rieppel, Wu, Zhao & Wang, 2011 <==+-- Lepidosauromorpha `--+-- Testudines `--+--+-- †_Helveticosaurus | `-- †Eusaurosphargis_ `--+--+-- †Thalattosauriformes | `--o †Saurosphargidae | | -- †Saurosphargis | `-- †_Sinosaurosphargis `--o †Sauropterygia | -- †Placodontia `-- †Eosauropterygia | After Rieppel, 1997, and Rieppel & Hagdorn, 1997 **<==**o †Eosauropterygia |-- †Pachypleurosauroidea `--o †Eusauropterygia | --o †Simosauridae | | ?- †Shingyisaurus_ | `-- †_Simosaurus `--o Nothosauroidea | ?- †Sanchiaosaurus_ | -- †Nothosauridae `--o †Pistosauroidea | --+?- †_Corosaurus | | -- †Chinchenia | `-- †Kwangsisaurus_ `--o †Pistosauria | -- †_Augustasaurus | -- †Cymatosaurus `--+-- †_Pistosaurus_ `-- †Plesiosauria | | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------- | | -------------------------- | ---------------------------------------------------------------------------------- | ------------------------------------------ | ---------------------- | ------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------- | | ------------------- | ---------------------------------------------------------- | ------------------------------------------------------------------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------- | | ------------------- | --------------------------------------------- | -------------------- | ---------------------------------------------------------------------- | ------------------- | | ---------------- | ---------------------------------------------------- | ------------------- | ------------------------------------------------------------------------------------------------------------------ | |

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