@misc{indiciaeb0fedc3a98b7,
  title = {Trilobites of the Late Cambrian Pterocephaliid biomere in the Great Basin, United States},
  author = {Allison R. Palmer},
  year = {1965},
  doi = {10.3133/pp493},
  url = {https://pubs.usgs.gov/publication/pp493},
  note = {Source identifier: pp493}
}