| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ammonites and the Other Cephalopods of the Pierre Seaway: Identification Guide | 978-0-945005-25-4 (0-945005-25-3) | 1997 | Neil L. Larson · Steven D. Jorgensen · R. A. Farrar · Peter L. Larson · Steven D Jorgensen · Robert A Farrar · Peter Larson |
| I misteri delle ammoniti | 978-88-87026-44-3 (88-87026-44-0) | 1999 | |