@misc{indiciaed0250074c453,
  title = {Pelecypoda and Rostroconchia of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming},
  author = {Mackenzie Gordon and John Pojeta},
  year = {1975},
  doi = {10.3133/pp848e},
  url = {https://pubs.usgs.gov/publication/pp848E},
  note = {Source identifier: pp848E}
}