@misc{indiciae0aedadc96a7b,
  title = {Fieldiana. Geology / North American cyclocrinitid algae — Illustration, Page 54, Figs. 30, 31},
  year = {1970},
  url = {https://www.biodiversitylibrary.org/page/4259517},
  note = {Source identifier: page-4259517}
}