@misc{indiciaedfe2d9a13223,
  title = {Smithsonian contributions to paleobiology / Jurassic Rhynchonellids : internal structures and taxonomic revisions — Illustration, Page 139},
  year = {1993},
  url = {https://www.biodiversitylibrary.org/page/58084691},
  note = {Source identifier: page-58084691}
}