ARGENTINA

SAN JUAN PROVINCE

FROM OUTCROPS SITUATED IN SOUTHWESTERN SIERRA DE MOGNA

148M FROM THE BASE OF THE FORMATION

UPPER PELITIC MEMBER

CANON DEL COLORADO FORMATION

HETTANGIAN TO PLIENSBACHIAN STAGE

MIDDLE LIAS EPOCH

EARLY JURASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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)

Family: MASSOSPONDYLIDAE Huene, 1914

*Adeopapposaurus mognai

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ARGENTINA

PATAGONIA

SAN JUAN PROVINCE

CANON DEL COLORADO FORMATION

HETTANGIAN TO PLIENSBACHIAN STAGE

MIDDLE LIAS EPOCH

EARLY JURASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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

ORDER: PROSAUROPODA HUENE, 1920 (emend)

SUBORDER: PLATEOSAURIA TORNIER, 1913

Family: MASSOSPONDYLIDAE Huene, 1914

Massospondylus sp nova?

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