@misc{indiciaec3d1dc036265,
  title = {Extinction and the fossil record},
  author = {Sepkoski, J. J. Jr and Sepkoski JJ, ,. J. r.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/20040121557},
  note = {Source identifier: 20040121557}
}