@misc{indiciaefb87b510c167,
  title = {The Upper Cretaceous ammonite Rhaeboceras Meek in the Western Interior of the United States},
  author = {W. A. Cobban},
  year = {1987},
  doi = {10.3133/pp1477},
  url = {https://pubs.usgs.gov/publication/pp1477},
  note = {Source identifier: pp1477}
}