@misc{indiciae78a7468f4a61,
  title = {New Upper Cretaceous Ostreidae from the Gulf region},
  author = {L. W. Stephenson},
  year = {1936},
  doi = {10.3133/pp186a},
  url = {https://pubs.usgs.gov/publication/pp186A},
  note = {Source identifier: pp186A}
}