@misc{indiciae84f56d0f2e4a,
  title = {Evolutionary trends in longipinnate ichthyosaurs, with particular reference to the skull and fore fin — Illustration, Page 11},
  year = {1972},
  url = {https://www.biodiversitylibrary.org/page/36145704},
  note = {Source identifier: page-36145704}
}