VIETNAM
LAYER 80 NA DUONG COAL MINE
NA DUONG FORMATION
EOCENE EPOCH
PALEOGENE PERIOD
LOWER TERTIARY SUBERA
LOWER CENOZOIC ERA
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
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
PARVORDER: BREVIROSTRES
Superfamily: CROCODILOIDEA Cuvier, 1807 (sensu Fitzinger, 1826)
Family: CROCODYLIDAE Cuvier, 1807
Subfamily: TOMISTOMINAE Eastman, 1902 (sensu Kalin, 1955)
*Maomingosuchus acutirostris
Superfamily: ALLIGATORIDEA Buffetaut, 1985
GLOBIDONTA BROUCHU, 1999
Family: ALLIGATORIDAE Gray, 1844
Subfamily: ORIENTALOSUCINII emend MASSONE, VASILYA, RABI & BOHME, 2019
*Orientalosuchus nduongensis
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