PARANA
OLIGOCENE EPOCH
UPPER PALEOGENE PERIOD
UPPER TERTIARY SUBERA
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: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
PARVORDER: BREVIROSTRES
Superfamily: CROCODILOIDEA Cuvier, 1807 (sensu Fitzinger, 1826)
Family: CROCODYLIDAE Cuvier, 1807
Subfamily: CROCODYLIDINAE Cuvier, 1807
Incertae sedis
*Oxysdonsaurus striatus
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ARGENTINA
PARANA
PLIOCENE EPOCH
UPPER NEOGENE PERIOD
LOWER QUATERNARY SUBERA
UPPER CENOZOIC ERA
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: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
PARVORDER: BREVIROSTRES
Superfamily: ALLIGATORIDEA Buffetaut, 1985
GLOBIDONTA BROUCHU, 1999
Family: ALLIGATORIDAE Gray, 1844
Subfamily: ALLIGATORINAE Gray, 1844 (sensu Kalin, 1940)
Tribe: CAIMANINI
*Caiman lutescens
= Alligator lutescens
= Xenosuchus lutescens
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ARGENTINA
PARANA
ENTRERIOS BEDS
EARLY PLIOCENE EPOCH
UPPER NEOGENE PERIOD
LOWER QUATERNARY SUBERA
UPPER CENOZOIC ERA
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: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
Family: GAVIALIDAE Cuvier, 1807
Subfamily: GAVIALINAE Cuvier, 1807 (sensu Nopcsa, 1928)
*Gryposuchus neogaeus
= Rhamphostoms neogaeus
= Rhamphostomopsis neogaeusSubfamily: THORACOSAURINAE Cope, 1875 (sensu Nopcsa, 1928)
Incertae sedis
*Leptorrhamphus entrerrianus
PARVORDER: BREVIROSTRES
Superfamily: ALLIGATORIDEA Buffetaut, 1985
GLOBIDONTA BROUCHU, 1999
Family: ALLIGATORIDAE Gray, 1844
Subfamily: ALLIGATORINAE Gray, 1844 (sensu Kalin, 1940)
Tribe: ALLIGATORINI nova
*Proalligator australis
= Crocodilus australis
= Alligator australis
= Jacaretinga australisTribe: CAIMANINI
*Caiman praecursor
= Jacarentinga praecursor
= Xenosuchus praecursor
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