@misc{indiciae4da6b91d2acf,
  title = {Monograph on the British fossil Echinodermata from the cretaceous formations — Illustration, BHL page 12090607},
  year = {1908},
  url = {https://www.biodiversitylibrary.org/page/12090607},
  note = {Source identifier: page-12090607}
}