@misc{indiciae51bba036941d,
  title = {Notes on the North American ganoids Amia, Lepidosteus, Acipenser, and Polyodon, with three plates — Illustration, BHL page 33997207},
  year = {1876},
  url = {https://www.biodiversitylibrary.org/page/33997207},
  note = {Source identifier: page-33997207}
}