Walaszczyk, I., Cobban, W. A., Harries, P. J. (2001). Inoceramids and inoceramid biostratigraphy of the Campanian and Maastrichtian of the United States Western Interior Basin. Revue de Paléobiologie. 20 (1), 117-234.
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Walaszczyk, I., Cobban, W. A., Harries, P. J.
2001
Inoceramids and inoceramid biostratigraphy of the Campanian and Maastrichtian of the United States Western Interior Basin