@misc{indiciaeb84eca1a14aa,
  title = {Conodonts of the Barnett formation of Texas},
  author = {W.H. Hass},
  year = {1953},
  doi = {10.3133/pp243f},
  url = {https://pubs.usgs.gov/publication/pp243F},
  note = {Source identifier: pp243F}
}