CHINA
KWEICHOU PROVINCE
NEAR TSANGCHICHIAO
THE VICINITY OF HUNGFENGHU
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: NOTHOSAURIFORMES STORRS, 1991
SUBORDER: EUSAUROPTERYGIA TSCHANZ, 1989
INFRAORDER: NOTHOSAUROIDEA BAUR, 1889
Incertae sedis
Gen. sp indet.
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CHINA
KWEICHOU PROVINCE
TINGCHIAO
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PACHYPLEUROSAURIA SANZ, 1980
Family: PACHYPLEUROSAURIDAE Nopcsa, 1928
Keichousaurus hui
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