ARGENTINA

PATAGONIA

NEUQUEN PROVINCE

PICHI PICUM LEUFU

PICHI PICUM LEUFU FORMATION

MIDDLE 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

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: MESOSUCHIA EMEND HUXLEY, 1875

PARVORDER: METASUCHIA BENTON & CLARK, 1988

GONDWANASUCHIA DE SOUZA CARVALHO, RIBEIRO & DOS SANTOS AVILLA, 2004

NOTOSUCHIMORPHA DE SOUZA CARVALHO, RIBEIRO & DOS SANTOS AVILLA, 2004

NOTOSUCHIFORMES DE SOUZA CARVALHO, RIBEIRO & DOS SANTOS AVILLA, 2004

TERRIASUCHIA DE SOUZA CARVALHO, RIBEIRO & DOS SANTOS AVILLA, 2004

INFRAORDER: SEBECOSUCHIA SIMPSON, 1937 (emend. GASPARINI, 1971)

Family: BAURUSCHIDAE Price, 1945

*Cynodontosuchus rothi

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ARGENTINA

PATAGONIA

NEUQUEN PROVINCE

EL CHOCHON

RIO LIMAY FORMATION

MIDDLE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

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

SUBORDER: NEOSAUROPODA BONAPARTE, 1986

INFRAORDER: HOMALOSAUROPIA JANENSCH, 1929

PARVORDER: DIPLODOCIMORPHA CALVO & SALGADO, 1995

Superfamily: DIPLODOCOIDEA Marsh, 1884 (sensu Upchurch, 1995)

Family: REBBACHISAURIDAE

Rebbachisaurus nova