RTMP Quarry 105, Sand Creek (150 ft level) [AMNH] (Cretaceous of Canada)

Also known as M. nasicornus type, Sternberg Quarry 43, A.M.7

Where: Alberta, Canada (50.7° N, 111.6° W: paleocoordinates 58.1° N, 76.1° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• 100 m below top of Belly River beds; originally assigned to the Oldman Fm.

• bed-level stratigraphic resolution

Environment/lithology: "channel"; carbonaceous sandstone

• sandstone with some plant matter

Size class: macrofossils

Collected by B. Brown in 1914

Collection methods: quarrying, mechanical,

Primary reference: B. Brown. 1917. A complete skeleton of the horned dinosaur Monoclonius, and description of a second skeleton showing skin impressions. Bulletin of the American Museum of Natural History 37(10):281-306 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13339: authorized by Matthew Carrano, entered by Matthew Carrano on 28.02.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Ceratopsidae
"Monoclonius nasicornus n. sp." = Styracosaurus albertensis
"Monoclonius nasicornus n. sp." = Styracosaurus albertensis Lambe 1913 ceratopsid
AMNH 5351