PBDB Collection

Bugin Tsav II [HMNS-GIN] (Cretaceous of Mongolia)

Also known as southern outcrops of Bugin Tsav

Where: Omnogov, Mongolia (43.8° 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: fluvial; sandstone

Size class: macrofossils

Collected by HMNS-GIN in 1993-1994, 1998, 2006

Collection methods: quarrying, surface (in situ), mechanical,

• HMNS-Hayashibara Museum of Natural Sciences

Primary reference: M. Watabe and S. Suzuki. 2000. Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 1993. Hayashibara Museum of Natural Sciences Research Bulletin 1:17-29 [R. Benson/R. Benson/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 127679: authorized by Roger Benson, entered by Roger Benson on 22.05.2012, edited by Jonathan Tennant and Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Osteichthyes
Osteichthyes -	Osteichthyes indet.⁵ Osteichthyes indet.⁵ Huxley 1880 bony fish 'fish'
Reptilia
Testudinata -	Testudinata indet.² Testudinata indet.² Oppel 1811 turtle well-preserved turtle remains
Testudinata - Sichuanchelyidae	Mongolochelys efremovi³ Mongolochelys efremovi³ Khosatzky 1997 turtle Mongolochelys skeleton with skull, and additional 'rich' fossils reported from the 1994 expedition; field no. 980803 BgT-II SZK
Testudines - Trionychidae	Trionychidae indet.¹, "Gobiapalone breviplastra" = Kuhnemys breviplastra¹, Trionyx sp. Trionychidae indet.¹ softshell turtle "Gobiapalone breviplastra" = Kuhnemys breviplastra¹ Danilov et al. 2014 softshell turtle Partial carapace, in prep.; shell remains Trionyx sp. Geoffroy Saint-Hilaire 1809 softshell turtle Trionyx (3 individuals in 1993), and additional 'rich' fossils reported from the 1994 expedition
Testudines - Lindholmemydidae	Mongolemys sp. Mongolemys sp. Khosatzky and Mlynarski 1971 turtle 930916-2 BgT-II T-2
Theropoda - Ornithomimidae	? Gallimimus sp.⁴ ? Gallimimus sp.⁴ Osmólska et al. 1972 ornithomimid 060817 BgT-II Ornitho. BD
Theropoda - Tyrannosauridae	Tarbosaurus sp. Tarbosaurus sp. Maleev 1955 tyrannosaurid Tarbosaurus skeleton (1993); a badly preserved skull (1994); 060817 BgT-II Tarbo. MB.
Theropoda -	Oviraptorosauria indet.⁶ Oviraptorosauria indet.⁶ Barsbold 1976 maniraptoran 060811 BgT-II KHTB
Ornithischia - Hadrosauridae	Hadrosauridae indet.⁵ Hadrosauridae indet.⁵ Cope 1869 hadrosaurid hadrosaur bone fragments
Ornithischia -	Pachycephalosauria indet. Pachycephalosauria indet. Maryańska and Osmólska 1974 ornithischian pachychephalosaur skull
Saurischia -	Sauropoda indet. Sauropoda indet. Marsh 1878 sauropod sauropod claw; 060823 BgT-II BD
Crocodylia -	Crocodylia indet. Crocodylia indet. Owen 1842 crocodilian crocodile skeleton (1993 expedition; 930916 BgT-II), and scute (1994)

¹Danilov et al. 2014; ²Suzuki and Narmandakh 2004; ³Suzuki and Tsogtbaatar 2010; ⁴Tsogtbaatar and Chinzorig 2010; ⁵Watabe and Suzuki 2000; ⁶Watabe et al. 2010