DinoDigLance Formation
Late Cretaceous (Maastrichtian) unit in Wyoming; coeval with Hell Creek and home to similar fauna.
Late Cretaceous · 100.5–66 Mya
Period
Late Cretaceous
Country
United States
About
The Lance Formation preserves the same end-Cretaceous fauna as Hell Creek, including Tyrannosaurus and Triceratops, exposed across the Powder River Basin and adjacent Wyoming.
Maintainer: replace this stub with a full narrative.
Map of known sites
Loading known-site map...