Where: Emery County, Utah (39.3° N, 111.2° W: paleocoordinates 47.1° N, 88.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: North Horn Formation, Maastrichtian (70.6 - 65.5 Ma)

• Originally listed as Blackhawk Formation by Lockley et al. (1995)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; fine-grained, gray sandstone

Size class: macrofossils

Preservation: cast, mold/impression, trace

Primary reference: M. G. Lockley. 1999. Pterosaur and bird tracks from a new Late Cretaceous locality in Utah. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publications 99-1:355-359 [R. Butler/R. Butler] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 94148: authorized by Richard Butler, entered by Richard Butler on 10.02.2010