Mowry Shale

The Mowry Shale is a Late Cretaceous geologic formation. The formation was named for Mowrie Creek, northwest of Buffalo in Johnson County, Wyoming. The Mowry outcrops or occurs at depth in parts of Colorado, Montana, North Dakota, South Dakota, Utah and Wyoming. It occurs within the following geologic regions:

Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.