ARGENTINA

PATAGONIA

BETWEEN EL BUITRE CHICHO AND EL BUITRE HILLS

EASTERN SLOPES OF THE LA COLONIA AREA

LA COLONIA FORMATION

ALLENIAN TETRAPODA ASSEMBLAGE

LATE CAMPANIAN-EARLY MAASTRICHTIAN STAGE

SENONIAN SUBEPOCH

GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA BENTON, 1983

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA, OPPEL, 1811

SUPERORDER: SERPENTES LINNAEUS, 1759

Incertae sedis

Gen sp indet.

ORDER: OPHIDIA BRONGNIART, 1800

SUBORDER: ALETHINOPHIDIA NOPCSCA, 1923

Superfamily: BOOIDEA Gray, 1825

Family: BOIDAE Gray, 1825

Subfamily: MADTSOINAE Hoffstetter, 1961

Alamitophis argentinus

Gen. sp indet.

BOIDAE OR MADTOSIIDAE

Gen. sp indet.

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ARGENTINA

PATAGONIA

LOS ALAMITOS FORMATION

ALLENIAN TETRAPODA ASSEMBLAGE

LATE CAMPANIAN-EARLY MAASTRICHTIAN STAGE

SENONIAN SUBEPOCH

GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: SALIENTIA LAURENTI, 1768

ORDER: ANURA RAFINESQUE, 1815

SUBORDER: MESOBATRACHIA LAURENT, 1979

Superfamily: PIPOIDEA Fitzinger, 1843

Family: PIPIDAE Gray, 1825

Subfamily: XENOPINAE Fitzinger, 1843

cf. Xenopus

SUBORDER: NEOBATRACHIA REIG, 1958

Superfamily: HYLOIDEA Rafinesque, 1815 (sensu Wied, 1856)

Family: LEPTODACTYLIDAE Werner, 1896

Gen. sp indet.

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA BENTON, 1983

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA, OPPEL, 1811

SUPERORDER: SERPENTES LINNAEUS, 1759

ORDER: OPHIDIA BRONGNIART, 1800

SUBORDER: ALETHINOPHIDIA NOPCSCA, 1923

Superfamily: BOOIDEA Gray, 1825

Family: BOIDAE Gray, 1825

Subfamily: MADTSOINAE Hoffstetter, 1961

*Alamitophis argentinus

*Patagoniophis parvus

*Rionegrohis madtsoioides

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