@misc{indiciae1471d5ab74dc,
  title = {Mollusks, Echnioderms, Coelenterates, etc. Part E Rotatoria — Illustration, BHL page 41716017},
  year = {1921},
  url = {https://www.biodiversitylibrary.org/page/41716017},
  note = {Source identifier: page-41716017}
}