RTMP Quarry 25, Red Deer River (Cretaceous of Canada)

Also known as Sternberg Quarry 24, U.T.15, ROM

Where: Alberta, Canada (50.8° N, 111.6° W: paleocoordinates 58.1° N, 76.2° 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)

• originally assigned to the Oldman Fm.

• bed-level stratigraphic resolution

Environment/lithology: "channel"; argillaceous, carbonaceous sandstone

• "channel top"
• "sandstone, plant matter, claystone"

Size class: macrofossils

Collected by L. Sternberg in 1920-1926; reposited in the ROM

Primary reference: R. S. Lull. 1933. A revision of the Ceratopsia or horned dinosaurs. Memoirs of the Peabody Museum of Natural History 3(3):1-175 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 58912: authorized by Matthew Carrano, entered by Kaitlin Maguire on 28.02.2006, edited by Jonathan Tennant and Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Ceratopsidae
Chasmosaurus brevirostris n. sp. Lull 1933 ceratopsid
ROM 839 (old ROM Ct. 5436)
 Theropoda - Caenagnathidae
Caenagnathus collinsi Sternberg 1940 maniraptoran
TMP 1993.036.0475, left or right manual ungual II-3