Ross River Block tracksite (mine pit) (Cretaceous to of Canada)

Also known as RRB, Nahadini coal mine

Where: Yukon, Canada (62.0° N, 132.5° W: paleocoordinates 59.4° N, 77.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Middle Albian to Middle Albian (109.0 - 93.5 Ma)

• part of the Ross River Block

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; fine-grained, gray, silty sandstone

Size class: macrofossils

Preservation: cast, mold/impression, trace

Collected in 1999

Collection methods: salvage, surface (float), peel or thin section,

Primary reference: D. G. F. Long, G. Lowey, and A. R. Sweet. 2001. Age and setting of dinosaur trackways, Ross River area, Yukon Territory (105F/15). In D. S. Edmond & L. H. Weston (eds.), Yukon Exploration and Geology 2000. Exploration and Geological Services Division, Indian and Northern Affairs Canada 181-198 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 67838: authorized by Matthew Carrano, entered by Matthew Carrano on 12.12.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

 Avetheropoda - Ornithomimipodidae
Columbosauripus ungulatus Sternberg 1932 coelurosaur
 Saurischia -
Irenesauripus cf. acutus Sternberg 1932 tetanuran
 Neornithischia - Iguanodontidae
Amblydactylus sp. Sternberg 1932 iguanodontid
 Neornithischia - Tetrapodosauridae
Tetrapodosaurus cf. borealis Sternberg 1932 bird foot dinosaur