@misc{indiciae3b5e38f1a1a0,
  title = {The bearing of the new Late Cambrian monoplacophoran genus Knightoconus upon the origin of the Cephalopoda},
  author = {Ellis L. Yochelson and Rousseau H. Flower and Gerald F. Webers},
  year = {1973},
  doi = {10.1111/j.1502-3931.1973.tb01199.x},
  url = {https://pubs.usgs.gov/publication/70241913},
  note = {Source identifier: 70241913}
}