@misc{indiciae574c18412c81,
  title = {Descriptive notes of new genera and species from the Lower Cambrian or Olenellus zone of North America — Illustration, BHL page 26591785},
  year = {1889},
  url = {https://www.biodiversitylibrary.org/page/26591785},
  note = {Source identifier: page-26591785}
}