Also known as Bugin-tsav, northern outcrops of Bugin Tsav; Bügiin Tsav
Where: Omnogov, Mongolia (43.9° N, 100.0° E: paleocoordinates 41.4° N, 89.0° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Nemegt Formation, Maastrichtian (72.1 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: fine channel fill; siltstone and white sandstone
Size classes: macrofossils, mesofossils
• Saurolophus elements show tooth marks from Tarbosaurus
Collected by HMNS-GIN in 1993-1995, 1998, 2006, 2009, 2018
Collection methods: surface (in situ), 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 55257: authorized by Matthew Carrano, entered by Matthew Carrano on 03.10.2005, edited by Philip Mannion, Roger Benson and Bethany Allen
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
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Reptilia | |
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Mongolochelys efremovi10 Khosatzky 1997 turtle carapace (1993 expedition); skull (980730 BgT ISGK), 980803 BgT Mongolo. NAR, 980801 BgT WTB, 060823 BgT SZK, 060824 BgT TUI
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Mongolemys elegans2 Khosatzky and Mlynarski 1971 turtle 940822 BgT GK, 980731 BgT ENKH 12:15, 980801 BgT SZK, 980801 BgT NAR
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Theropoda indet.11 Marsh 1881 theropod many fragments of theropod eggshell was found near the base camp (southwest from it) in the middle horizon; 060824 BgT TSI
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Gallimimus sp.13 Osmólska et al. 1972 ornithomimid skeleton (pelvic to caudal parts) (1993); Forelimb (1998); field no. 950818-BgT-Gall-I,II, 940824 BgT ENKH, 060823 BgT TUI, 060817 BgT BD
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Deinocheirus mirificus6 Kielan-Jaworowska 1969 ornithomimosaur articulated skeleton; 060823-4 BgT TSGT
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Tarbosaurus sp.13 Maleev 1955 tyrannosaurid complete skeleton of small individual plus other skeletons and fragments of a large skull; field no. 940824-BgT-TSOGT, 940826 BgT OTGN, 950622 BgT Tarbo. A, 950622-25 BgT Tarbo. PJ1-9, 950624 BgT Tarbo. B, 950626 BgT Tarbo. C, 950817 BgT Tarbo. D-F, 980803 BgT NAR, 060812 BgT N. Mt. TBM, 060816 BgT TUI, 060817 BgT MB
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Oksoko avarsan n. gen. n. sp.4
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"Nomingia sp." = Elmisaurus8, "Elmisaurus rarus" = Elmisaurus rarus5, "Nomingia gobiensis n. gen. n. sp." = Elmisaurus rarus1
"Elmisaurus rarus" = Elmisaurus rarus5 Osmolska 1981 maniraptoran MPC-D 102/113 - collected as float 12 m from main site
"Nomingia gobiensis n. gen. n. sp." = Elmisaurus rarus1 Osmolska 1981 maniraptoran MPC-D 100/119 - holotype (previously reported as GIN 1001119 and GIN 940824), incomplete postcranial skeleton
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Saurolophus sp.13 Brown 1912 hadrosaurine large skeletons, including a well-preserved skull; field no. 940822-BgT-ORKH-East, 950619 BgT Saurol. A, B, 950620 BgT Saurol. C, 950620-25 BgT Saurol., 960621 BgT Saurol. D, E, 950622 BgT Saurol. F, 950623 BgT Saurol. G, 950625 BgT Saurol. H, I
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Bivalvia | |
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Gastropoda | |
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unclassified | |
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