SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

SUPERORDER: SAUROPODOMORPHA HUENE, 1932

GRANDORDER: BRONTOSAURIA OLSHEVSKY, 1991 (emend)

MICRORDER: SAUROPODA MARSH, 1878

Family: MELANOROSAURIDAE Huene, 1929

Incertae sedis

*Microdontosaurus dayensis

ORDER: EUSAUROPODA

SUBORDER: NEOSAUROPODA BONAPARTE, 1986

Family: CEITOSAURIDAE Lydekker, 1888

Incertae sedis

Lancangijangosaurus cachuensis

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: EURYOPDA SERENO, 1986

GRANDORDER: STEGOSAUROMORPHA COOPER, 1985 (EMEND)

ORDER: STEGOSAURIA MARSH, 1877

Incertae sedis

*Changdusaurus laminaplacodus