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

Also known as Bayshin-Tsav, BTs-IV

Where: Omnogov, Mongolia (43.5° N, 107.7° 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: fluvial; sandstone and mudstone

• meandering fluvial system

Size class: macrofossils

Collected by HMNS-GIN in 1993–1995, 2004

Collection methods: surface (in situ), mechanical,

Primary reference: D. E. Fastovsky. 1997. Short summary of the geologyof some selected dinosaur-bearing localities in the western Gobi Desert, Mongolia. Abstract of Report Meeting, Mongolia-Japan Joint Paleontological Expedition 6 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 168807: authorized by Matthew Carrano, entered by Matthew Carrano on 29.04.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda -
Theropoda indet.3 theropod
femur, 2 incomplete skeletons; 950728 BTs Theropod 1M 5PJ
Ornithomimosauria indet.3 ornithomimosaur
930821 BTs-IV-1, MT II, pubis
 Ornithischia -
Hadrosauroidea indet.1 Huene 1954 ornithopod
040731 BTs-IV BD-3, 4; 040731 BTs-IV BON-1, 2, 3; 040731 BTs-IV CHNZ-1; 040731 BTs-IV KWR; 040731 BTs-IV KWR, TSUB; 040731 BTs-IV TSGT-2, 3, 4, 5; 040731 BTs-IV TSUB; 040731 BTs-IV WTB
Gobihadros mongoliensis2 Tsogtbaatar et al. 2019 ornithopod
930821 BTs-IV-2, 3, 4