@misc{indiciaecb8257e8a3ee,
  title = {Evolutionary trends in longipinnate ichthyosaurs, with particular reference to the skull and fore fin — Illustration, Page 15},
  year = {1972},
  url = {https://www.biodiversitylibrary.org/page/36145700},
  note = {Source identifier: page-36145700}
}