White, C. A. (1877). Report upon the invertebrate fossils collected in portions of Nevada, Utah,
Colorado, New Mexico, and Arizona, by parties of the expeditions of 1871, 1872, 1873, and 1874. Report upon United States geographical surveys west of the one hundredth meridian. Vol. 4, Paleontology . Government Printing Office, Washington DC. pp. 1−219, pls. 1.
195973
White, C. A.
1877
Report upon the invertebrate fossils collected in portions of Nevada, Utah,
Colorado, New Mexico, and Arizona, by parties of the expeditions of 1871, 1872, 1873, and 1874
Report upon United States geographical surveys west of the one hundredth meridian. Vol. 4, Paleontology . Government Printing Office, Washington DC