MONGOLIA
ÖVÖRHANGAI
BUILYASTYN KHUDAG (BUILJASUTUIN-KHUDUK)
DÖSHUUL FORMATION
EARLY CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
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
Incertae sedis
Gen sp indet.
(Small theropod)COHORT: ORNITHISCHIFORMES COOPER, 1985
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
GRANDORDER: BRONTOSAURIA OLSHEVSKY, 1991 (emend)
MICRORDER: SAUROPODA MARSH, 1878
Incertae sedis
Gen. sp indet.
Eggshells from a nest.COHORT: ORNITHISCHIFORMES COOPER, 1985
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: NEORNITHISCHIA COOPER, 1985
GRANDORDER: ORNITHOPODA MARSH, 1871
MICRORDER: MARGINOCEPHALIA SERENO, 1986
ORDER: CERATOPIA MARSH, 1890
SUBORDER: NEOCERATOPIA SERENO, 1986
Family: PSITTACOSAURIDAE Osborn, 1923
Psittacosaurus mongoliensis
Gen. sp. indet.
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MONGOLIA
ÖVÖRHANGAI
UBUR KHANGAI (UBUR-KHANGAY REGION)
BUYLYASUTUIN-KHUDUK LOCALITY
DUSHI ULA FORMATION
EARLY CRETACEOUS
VETEROVATA
OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975
OOCOHORT: THEROPODA NOVA
oofamily: ELONGATOOLITHIDAE Zhao, 1975
Trachoolithus faticanus
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MONGOLIA
ÖVÖRHANGAI
UBUR KHANGAI (UBUR-KHANGAY REGION)
BUILJASUTUIN-KHUDUK
EARLY CRETACEOUS
VETEROVATA
OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975
OOCOHORT: THEROPODA NOVA
oofamily: ELONGATOOLITHIDAE Zhao, 1975
Gen. sp indet.
OOCOHORT: ORNITHISCHIFORMES NOVA
OOMAGNORDER: ORNITHISCHIA SEELEY, 1888
Incertae sedis
Gen. sp indet.
Note: Psittacosaurus mongoliensis
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