Northwest of Iddesleigh (RTMP) (Cretaceous of Canada)

Where: Alberta, Canada (50.7° N, 111.3° W: paleocoordinates 58.0° N, 75.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Dinosaur Park Formation (Belly River Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• upper part of formation, within 20 m of Lethbridge Coal Zone (top of Fm.)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected in 1987; reposited in the TMP

Collection methods: quarrying, mechanical,

Primary reference: S. J. Godfrey and R. Holmes. 1995. Cranial morphology and systematics of Chasmosaurus (Dinosauria: Ceratopsidae) from the Upper Cretaceous of western Canada. Journal of Vertebrate Paleontology 15(4):726-742 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24893: authorized by Matthew Carrano, entered by Matthew Carrano on 22.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Ceratopsidae
"Chasmosaurus irvinensis" = Vagaceratops irvinensis
"Chasmosaurus irvinensis" = Vagaceratops irvinensis Holmes et al. 2001 ceratopsid
RTMP 87.45.1