The Wasatch Formation is an extensive highly fossiliferous geologic formation stretching across several basins in Idaho, Montana, Wyoming, Utah and western Colorado. It preserves fossils dating back t
Clinker-bed breccia from the Wasatch Formation (Wyoming)
View of Fossil Butte with the Wasatch Formation outcropping in the lower areas
Barylambda is an extinct genus of pantodont mammal from the middle to late Paleocene, well known from several finds in the Wasatchian DeBeque Formation of Colorado and the Clarkforkian Wasatch Formati