@misc{indiciaeaa1f315dcd35,
  title = {The Triassic cephalopod genera of America},
  author = {Alpheus Hyatt and J.P. Smith},
  year = {1905},
  doi = {10.3133/pp40},
  url = {https://pubs.usgs.gov/publication/pp40},
  note = {Source identifier: pp40}
}