@misc{indiciae46abd0b8d375,
  title = {Conodonts from the Chappel limestone of Texas},
  author = {Wilbert H. Hass},
  year = {1959},
  doi = {10.3133/pp294j},
  url = {https://pubs.usgs.gov/publication/pp294J},
  note = {Source identifier: pp294J}
}