Leonardian Plant-bearing Beds from the Del Norte Mountains, West TexasSociety of Economic Paleontologists and Mineralogists67–68
Rohr, D. M., Davis, R. A., Mamay, Serguis H., and Miller, J. M. 1987. "Leonardian Plant-bearing Beds from the Del Norte Mountains, West Texas." In The Leonardian Facies in W. Texas and S. E. New Mexico and Guidebook to the Glass Mountains, West Texas; 1987 Permian Basin Section, Society of Economic Paleontologists and Mineralogists Publication. Cromwell, D. W., Jr. and Mazzulo, L. J., editors. 67–68. Midland, Texas: Society of Economic Paleontologists and Mineralogists.