@misc{indiciae74da963cbb26,
  title = {Report of the Geological Exploration of the Fortieth Parallel, Volume VII: Odontornithes: A monograph on the extinct toothed birds of North America},
  author = {Othniel Charles Marsh and Clarence King},
  year = {1880},
  doi = {10.3133/70039897},
  url = {https://pubs.usgs.gov/publication/70039897},
  note = {Source identifier: 70039897}
}