@misc{indiciae4ee17345a66f,
  title = {Mollusks, Echinoderms, Coelenterates, etc. Part A Mollusks, Recent and Pleistocene — Illustration, BHL page 41881886},
  year = {1919},
  url = {https://www.biodiversitylibrary.org/page/41881886},
  note = {Source identifier: page-41881886}
}