@misc{indiciaea7828a0d6177, title = {The Upper Cretaceous dimorphic pachydiscid ammonite Menuites in the Western Interior of the United States}, author = {W. A. Cobban and W. J. Kennedy}, year = {1993}, doi = {10.3133/pp1533}, url = {https://pubs.usgs.gov/publication/pp1533}, note = {Source identifier: pp1533} }