@misc{indiciae620099ce2a37,
  title = {Cephalopods from the Cretaceous/Tertiary boundary interval on the Atlantic Coastal Plain, with a description of the highest ammonite zones in North America. Part 1, Maryland and North Carolina / American Museum novitates — Illustration, Page 49},
  year = {2004},
  url = {https://www.biodiversitylibrary.org/page/60848125},
  note = {Source identifier: page-60848125}
}