| Synonymous name | : | Ammonites acutus J. Sowerby | |
Ref: PBDB: 27 Oct 2013. |
| Synonymous name | : | Ammonites amaltheus E. F. Schlotheim | |
Ref: PBDB: 27 Oct 2013. |
| Synonymous name | : | †Ammonites foliaceus Giebel, 1852 | |
Ref: PBDB: 27 Oct 2013. |
| Synonymous name | : | Ammonites sedgwickii S. P. Pratt | |
Ref: PBDB: 12 Oct 2021. |