ARGENTINA

SANTA CRUZ PROVINCE

LAGO BUENOS AIRES DEPARTMENT

SOUTH BANK OF THE RIO DESEADO

MARIA AIKE RANCH

UPPER MEMBER

BAJO BARREAL FORMATION

CENOMANIAN-TURONIAN STAGE

UPPER MIDDLE-UPPER GALLIC SUBEPOCH

LOWER GULF EPOCH

LATE MIDDLE-EARLY LATE CRETACEOUS

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)

MICRORDER: SAUROPODA MARSH, 1878

ORDER: EUSAUROPODA UPCHURCH, 1995

SUBORDER: NEOSAUROPODA BONAPARTE, 1986

INFRAORDER: MACRONARIA WILSON & SERENO, 1998

PARVORDER: TITANOSAURIFORMES SALGADO ET AL, 1997

Superfamily: TITANOSAUROIDEA Lydekker, 1885 (sensu Upchurch, 1999)

Family: TITANOSAURIDAE Lydekker, 1885

LOGNKOSAURIA CALVO, PORFIRI, GONZALEZ-RIGA & KELLNER, 2007

Incertae sedis

*Drusilasaura deseadensis

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ARGENTINA

SANTA CRUZ PROVINCE

RIO SHEHUEN

MATA AMARILLA FORMATION

TURONIAN STAGE

UPPERMOST GALLIC SUBEPOCH

LOWER GULF EPOCH

LATE CRETACEOUS

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: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &

SUBORDER: AVETHEROPODA PAUL, 1988

Superfamily: ALLOSAUROIDEA Marsh, 1878 (sensu Currie & Zhao, 1994)

Family: CARCHARODONTOSAURIDAE Stromer, 1931

Gen. sp indet.

COHORT: ORNITHISCHIFORMES COOPER, 1985

SUPERORDER: SAUROPODOMORPHA HUENE, 1932

Incertae sedis

Gen. sp indet.

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