SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

INFRACLASS: EURYAPSIDA COLBERT, 1945

SUPERORDER: SAUROPTERYGIA OWEN 1860

GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994

ORDER: NOTHOSAURIFORMES STORRS, 1991

SUBORDER: EUSAUROPTERYGIA TSCHANZ, 1989

INFRAORDER: PISTOSAUROIDEA BAUR, 1887-90

Superfamily: PISTOSAUROIDEA Baur in Zittel, 1887-1890 (Edinger, 1935)

Family: PISTOSAURIDAE Baur in Zittel, 1887-1890

Pistosaurus longaevus
= Pistosaurus grandaevus

ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

Incertae sedis

Gen. sp. indet.