Fergus County (general) (Cretaceous of the United States)

Also known as Mercuriceratops type locality

Where: Fergus County, Montana (47.7° N, 109.6° W: paleocoordinates 54.8° N, 75.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Coal Ridge Member (Judith River Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Susan Owen-Kagen in 1, 2012; reposited in the ROM

• The specimen was acquired by the ROM from Triebold Paleontology and prepared by Ian Morrison. UALVP 54559 was discovered by Susan Owen-Kagen on July 1, 2012, collected by SO-K and PJC on July 3, 2012 and subsequently prepared by SO-K

Primary reference: M. J. Ryan, D. C. Evans, P. J. Currie and M. A. Lowman. 2014. A new chasmosaurine from northern Laramidia expands fill disparity in ceratopsid dinosaurs. Naturwissenchaften 101:505-512 [P. Mannion/J. Tennant/J. Tennant]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156538: authorized by Philip Mannion, entered by Jonathan Tennant on 23.05.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ornithischia - Ceratopsidae
"Mercuriceratops gemini n. gen. n. sp." = Vagaceratops irvinensis
"Mercuriceratops gemini n. gen. n. sp." = Vagaceratops irvinensis Holmes et al. 2001 ceratopsid
ROM 64222