Pycnodus pachyrhinus

More research is needed on this species and whether this represents a separate species. There are two examples of the complete vomer palatine (from the upper sections of the jaws of this fish) in the collections of the Natural History Museum, London.

Distinguishing Characteristics:

Multiple rows to crushing teeth which are rounded (1)
Each tooth features a flattened surface with sharply rounded edges (2)
Marginal teeth reduce in size and become more pitted and textured (3)

Primary Example: NHMUK PV P 610

3D Scan: Holotype NHMUK PV P 610

3D scans undertaken by Tom Sermon with permission. From the collections of the Natural History Museum, London

Primary Example: NHMUK PV P 170

References

Casier, E. (1966) Fauna ichthyologique du London Clay. British Museum Natural History London, 1966, 1-496
Monsch, K (2005) Revision of the scombroid fishes from the Cenozoic of England
Raynor, Mitchell, Clouter (2009) London Clay Fossils of Kent and Essex