@misc{indiciae79b7f624947e,
  title = {Biostratigraphical dating of the Thornton Fossil Konservat-Lagerstätte , Silurian, Illinois, USA},
  author = {David K. Loydell and Gary L. Mullins and Peep Mannik and Donald G. Mikulic and Joanne Kluessendorf},
  year = {2002},
  doi = {10.1002/gj.916},
  url = {https://pubs.usgs.gov/publication/70024303},
  note = {Source identifier: 70024303}
}