Also known as Bayshin-Tsav, BTs-II
Where: Omnogov, Mongolia (43.5° N, 107.8° E: paleocoordinates 45.4° N, 98.2° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Baynshire Formation, Cenomanian to Cenomanian (100.5 - 83.6 Ma)
• Baynshire Suite = Bayn Shire = Baynshiree. Cenomanian to Santonian date is based upon palaeomagnetic analyses (see Watabe et al. 2009)
• bed-level stratigraphic resolution
Environment/lithology: fine channel fill; fine-grained, coarse, white sandstone and gray mudstone
Size classes: macrofossils, mesofossils
Collected by HMNS-GIN in 1993–1994, 2001, 2004, 2006
Collection methods: quarrying, mechanical,
Primary reference: M. Watabe and D. B. Weishampel. 1994. Results of Hayashibara Museum of Natural Sciences–Institute of Geology, Academy of Sciences of Mongolia Joint Paleontological Expedition to the Gobi Desert in 1993. Journal of Vertebrate Paleontology 14(3, suppl.):51A [M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 55254: authorized by Matthew Carrano, entered by Matthew Carrano on 03.10.2005, edited by Richard Butler and Roger Benson
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Dinosauria indet.1 Owen 1842 dinosaur eggshells; other bones, 040730 BTs-II BD, BD-1, 040731 BTs-II TSGT
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Sauropoda indet. sauropod | |
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"Segnosauridae indet." = Therizinosauridae6
"Segnosauridae indet." = Therizinosauridae6 Maleev 1954 coelurosaur lower jaws, partial bones of the skull, cervical vertebrae, L humerus, pubis; Segnosauria; 930820 BTs-II-4, 8; 940625 BTs II
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Tyrannosauridae indet.5 Osborn 1906 tyrannosaurid ilium, sacrals; 930820 BTs-II-3 (listed as ornithomimosaur in Matsumoto et al. 2000)
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Hadrosauroidea indet.8 Huene 1954 ornithopod an articulated partial skeleton and isolated bone elements of a hadrosaur; 040731 BTs-II KWR
Hadrosauroidea indet.4 Huene 1954 ornithopod many femora and tibiae; 930820 BTs-II-1, 6, 7, 8, 930820-21 BTs-II-5, 940625 BTs II, 040731 BTs-II KWR, 040731 BTs-II SZK
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