@misc{indiciaeaba7a61dafbc,
  title = {Streptognathodus isolatus new species (Conodonta): Proposed index for the Carboniferous-Permian boundary},
  author = {V.V. Chernykh and S.M. Ritter and B. R. Wardlaw},
  year = {2016},
  doi = {10.1017/s0022336000039068},
  url = {https://pubs.usgs.gov/publication/70020156},
  note = {Source identifier: 70020156}
}