@misc{indiciae1f89eb5b417b,
  title = {Fieldiana. Geology / North American cyclocrinitid algae — Illustration, Page 23, Fig. 16, Fig.17},
  year = {1970},
  url = {https://www.biodiversitylibrary.org/page/4259565},
  note = {Source identifier: page-4259565}
}