White, C.A. (1878). Paleontological Papers No. 6: Descriptions of new species of invertebrate fossils from the Laramie Group. Bulletin of the United States Geological and Geographical Survey of the Territories. 4: 707-719.
290854
White, C.A.
1878
Paleontological Papers No. 6: Descriptions of new species of invertebrate fossils from the Laramie Group
Bulletin of the United States Geological and Geographical Survey of the Territories