Bolor's Hill (Cretaceous of Mongolia)

Also known as Ukhaa Tolgod

Where: Omnogov, Mongolia (43.7° N, 100.9° E: paleocoordinates 40.8° N, 90.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Djadokhta Formation, Campanian (83.6 - 72.1 Ma)

• probably Djadokhta Formation

• bed-level stratigraphic resolution

Environment/lithology: eolian; sandstone

• probably as for Ukhaa Tolgod, but no details are provided for this site.

Size class: macrofossils

Collection methods: surface (in situ), mechanical,

• Institute of Geology, Mongolia

Primary reference: M. A. Norell, P. J. Makovicky, and J. M. Clark. 2000. A new troodontid theropod from Ukhaa Tolgod, Mongolia. Journal of Vertebrate Paleontology 20(1):7-11 [J. Alroy/R. Whatley/R. Whatley]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 37209: authorized by John Alroy, entered by Robin Whatley on 05.03.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Avetheropoda - Troodontidae
Byronosaurus jaffei Norell et al. 2000 coelurosaur
fragmentary rostrum, IGM 100/894