| Synonymous name | : | †Dioplodon hemixem (Van Beneden, 1860) | |
Ref: PBDB: 27 Oct 2013. |
| Synonymous name | : | †Mioziphius belgicus Abel, 1905 | |
Ref: PBDB: 27 Oct 2013. |
| Synonymous name | : | †Ziphirostrum gracile Du Bus, 1868 | |
Ref: PBDB: 27 Oct 2013. |
| Synonymous name | : | †Ziphirostrum laevigatum Du Bus, 1868 | |
Ref: PBDB: 27 Oct 2013. |
| Synonymous name | : | †Ziphirostrum tumidum Du Bus, 1868 | |
Ref: PBDB: 27 Oct 2013. |