Red Willow Park campground (Cretaceous to of Canada)

Where: Alberta, Canada (55.1° N, 119.5° W: paleocoordinates 64.0° N, 84.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Wapiti Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; coal and gray, carbonaceous mudstone

• "The Red Willow Coal Zone is believed to represent deposition on a low gradient alluvial plain under high-accommodation conditions associated with reduction in sediment supply, high freshwater table, and abundant vegetation>"
• "The Red Willow coals are up to 1.5 m thick, extend laterally for a maximum of 5 km, and are commonly interbedded with dark gray, carbonaceous mudstone."

Size classes: macrofossils, mesofossils

Collected in 1989–1990, 2003; reposited in the TMP

Collection methods: surface (in situ),

Primary reference: M. J. Ryan and A. P. Russell. 2001. Dinosaurs of Alberta (exclusive of Aves). In D. H. Tanke & K. Carpenter (ed.), Mesozoic Vertebrate Life 279-298 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 163050: authorized by Matthew Carrano, entered by Matthew Carrano on 09.10.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudinata -
Testudinata indet. Oppel 1811 turtle
"turtle shell"
 Avetheropoda - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906 tyrannosaurid
 Avetheropoda - Ornithomimidae
Ornithomimidae indet. Marsh 1890 ornithomimid
TMP 1989.053.0035, caudal vertebra; Humerus
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
TMP 1990.124.0001; from 100 m downstream
 Neornithischia - Hadrosauridae
Saurolophinae indet. Brown 1914 hadrosaurid
TMP 1989.092.0001, incomplete skeleton
 Choristodera - Champsosauridae
Champsosauridae indet. Cope 1876 champsosaur
One clavicle; one rib