LOCKLEY, HUNT, HAUBOLD & LUCAS, 1995

Locality: Locality 1, Mystery Valley Area, Monument Valley, Arizona.

Horizon: De Chelly Sandstone.

Biostratigraphy:

Age: Early Permian.

Material:

CU-MWC 139.71:

 

Locality: Several localities, Monument Valley, Arizona.

Horizon: De Chelly Sandstone.

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Trackway horizons.