Amiiformes (Bowfins)
- Lehmanamia sheppeyensis
Osteoglossiformes (Bony tongues)
- Rhynchorhinus branchialis
- Rhynchorhinus major
Elopiformes (Tarpon / Tenpounders)
- Elops sp.
- Esocelops cavifrons
- Protarpon (Megalops) oblongus
- Protarpon (Megalops) priscus
- Promegalops sheppeyensis
- Promegalops signeuxae
- Bucklandium diluvii
- Undescribed catfish
Aulopiformes (Grinners & Lizardfish)
Holocentriformes (Soldier fish)
- Myripristis toliapicus
- Naupygus bucklandi
- Paraberyx bowerbanki
Scombriformes (Mackerel & Tuna)
- Enniskillenus radiatus
- Bramoides brieni
- Goniocranion arambourgi
- Eocoelopoma colei
- Eocoelopoma curvatum
- Eocoelopoma gigas
- Micrornatus hopwoodi
- Scombramphodon crassidens
- Scombramphodon sheppeyensis
- Duplexdens (Scombrinus) macropomus
- Scombrinus nuchalis
- Sphyraenodus priscus
- Tamesichthys decipiens
- Wetherellus brevior
- Wetherellus cristatus
- Wetherellus longior
- Woodwardella patellifrons
- Palaeocybium proosti
- Undescribed Scombrid #1
- Undescribed Scombrid #2
- Progempylus edwardsi
- Eutrichurides winkleri
- Gempylid Incertae sedis
- Undescribed Gempylid #1
- Trichurides sagittidens
Carangiformes (Jack Mackerels)
- Cylindracanthus rectus
- Hemirhabdorhynchus elliotti
- Acestrus elongatus
- Acestrus ornatus
- Aglyptorhynchus sulcatus
- Aglyptorhynchus venablesi
- Xiphiorhynchus priscus
- Percostoma angustum
- Plesioserranus wemmeliensis
- Serranopsis londinensis
- Undescribed Serranid #1
- Undescribed Serranid #2
Acanthuriformes (Luvar fish)
- Beerichthys ingens
- Beerichthys sp.
Duplexdens (Scombrinus) macropomus
Scientific Classification
Class: Actinopterygii (Ray-finned Fish)
Order: Scombriformes
Family: Scombridae
Genus: Duplexdens (Scombrinus)
Species: macropomus (Woodward 1901)
Duplexdens macropomus is a rare Scombrid fish from the London Clay which has similarities with the extant King Mackerel or Kingfish (Scomberomorus cavalla) pictured here.
This streamlined fish has an elongated skull with sharp, conical-shaped straight teeth regularly spaced on both the upper and lower jaws. The lower jaw also features small secondary teeth on the outside of the jaw.
These have been found in Divisions D/E of the London Clay on the Isle of Sheppey.
Scomberomorus cavalla (Cuvier, 1829) Observed in United States of America by norops (licensed under http://creativecommons.org/licenses/by-nc/4.0/)
- Sclerotic ossicle present in orbit (1)
- Sharp, regularly spaced teeth (2)
- Elongated skull ending with a pointed-maxilla bone (3)
3D scans undertaken by Tom Sermon with permission.
Photograph courtesy of Fred Clouter
3D scans undertaken by Tom Sermon with permission.
3D scans undertaken by Tom Sermon with permission.
3D scans taken by the Natural History Museum, London and provided to Tom Sermon with permission to publish.
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