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

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: crevasse splay; fine-grained, medium sandstone and mudstone

• "overbank area of a meandering river…a crevasse splay"
• "preserved in the mudstone layers, as natural casts made of fine- to medium-grained sandstone"

Size class: macrofossils

Preservation: cast, trace

Collected by HMNS-GIN in 1998

Collection methods: surface (in situ),

Primary reference: S. Suzuki and M. Watabe. 2000. Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 1998. Hayashibara Museum of Natural Sciences Research Bulletin 1:83-98 [R. Benson/R. Benson/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 100266: authorized by Matthew Carrano, entered by Matthew Carrano on 04.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Dinosauria -
Dinosauria indet.
 Theropoda - Tyrannosauridae
Tarbosaurus sp.
Tarbosaurus sp. Maleev 1955 tyrannosaurid
980731 BgT ISGK
 Ornithischia - Ankylosauridae
Ankylosauridae indet.
Ankylosauridae indet. Brown 1908 ankylosaurid
"type C" tracks
 Ornithischia - Hadrosauridae
Hadrosauridae indet., Saurolophus sp.
Hadrosauridae indet. Cope 1869 hadrosaurid
Saurolophus sp. Brown 1912 hadrosaurine
980804 BgT UB-1,2,3
 Saurischia -
Sauropoda indet.
Sauropoda indet. sauropod
"type D" tracks