Bayshin Tsav V [HMNS-GIN] (Cretaceous to of Mongolia)

Also known as Bayshin-Tsav, BTs-V

Where: Omnogov, Mongolia (43.5° N, 107.8° E: paleocoordinates 45.4° N, 98.2° E)

• coordinate estimated from map

• 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; sandstone and mudstone

• point-bar deposit

Size classes: macrofossils, mesofossils

Collected by HMNS-GIN in 1994, 2001, 2004

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

Primary reference: W. Watabe and S. Suzuki. 2000. Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 1994. Hayashibara Museum of Natural Sciences Research Bulletin 1:30-44 [R. Benson/R. Benson/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 137859: authorized by Roger Benson, entered by Roger Benson on 28.12.2012, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

 Osteichthyes -
Osteichthyes indet.1 Huxley 1880 bony fish
040730 BTs-V SZK
 Dinosauria -
Dinosauria indet.1 Owen 1842 dinosaur
ulna, 040731 BTs-V CHNZ; pelvic region, 040730 BTs-V Tsui; vertebra, 040730 BTs-V SZK
 Saurischia -
Theropoda indet.1 Marsh 1881 theropod
partial skeleton; 040801 BTs-V Tsui
 Neornithischia -
Gobihadros mongoliensis2 Tsogtbaatar et al. 2019 bird foot dinosaur
articuated hadrosaur caudal vertebrae; 010724 BTs-V