Also known as Uuden Sayr, Uuden Sajr, Uuden Sair, Soviet-Mongolian Paleontological Expedition, Udan Sayr, Tüshleg
Where: Omnogov, Mongolia (42.1° N, 102.2° E: paleocoordinates 39.1° N, 91.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Djadokhta Formation, Late/Upper Campanian (83.5 - 70.6 Ma)
• Udanoceratops from bed 2
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•Dashzeveg et al. 2005: The quick stratigraphic succession of normal and reversed magnetozones suggests, but does not clearly establish, that the sediments may have been deposited during the rapid sequence of polarity changes in the late part of the Campanian between about 75 to 71 Ma.
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; yellow sandstone and lenticular, concretionary, gray, calcareous sandstone
Size classes: macrofossils, mesofossils
Preservation: concretion
Collected by MPE, SMPE in 1946, 1973, 1980-1985; reposited in the PIN
Collection methods: quarrying, surface (float), surface (in situ),
Primary reference: S. M. Kurzanov. 1981. O neobuchnykh teropodakh iz verkhnego mela MNR [An unusual theropod from the Upper Cretaceous of Mongolia]. Fossil Reptiles of Mongolia. Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya, Trudy [The Joint Soviet-Mongolian Paleontological Expedition, Transactions] 24:39-50 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 65344: authorized by Matthew Carrano, entered by Matthew Carrano on 21.09.2006, edited by Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Amphibia | |
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Mammalia | |
Asiatherium reshetovi n. gen. n. sp.7
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Reptilia | |
Artzosuchus brachicephalus n. gen. n. sp.1
Artzosuchus brachicephalus n. gen. n. sp.1 Efimov 1983 crocodilian GIN PST 10/23 - holotype (partial skull and set of jaws)
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Gobiosuchus parvus n. sp.1
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Aves | |
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Reptilia | |
Avimimus portentosus n. gen. n. sp.
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Elongatoolithus subtitectorius n. sp.5
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Udanoceratops tschizhovi n. gen. n. sp.3
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