@misc{indiciaefed0d7a52be4,
  title = {A new species of Merychippus},
  author = {J.P. Buwalda and G.E. Lewis},
  year = {1955},
  doi = {10.3133/pp264g},
  url = {https://pubs.usgs.gov/publication/pp264G},
  note = {Source identifier: pp264G}
}