@misc{indiciae2529f433a294,
  title = {Silurian rugose corals of the central and southwest Great Basin},
  author = {Charles Warren Merriam},
  year = {1973},
  doi = {10.3133/pp777},
  url = {https://pubs.usgs.gov/publication/pp777},
  note = {Source identifier: pp777}
}