Woodwardella patellifrons
Woodwardella patellifrons
Summary
Woodwardella patellifrons was a mackerel-grade predator from the London Clay with a compact but specialised skull. The upper jaw was non-protrusible and the front of the palate included a broad spatulate vomer. Large scales covered the opercular region, while the skull roof carried characteristic fossae beside the orbit.
Its jaw construction indicates a fish that captured prey with a relatively rigid mouth rather than the highly protrusible feeding mechanism seen in many later teleosts. Small fishes and other nekton are plausible prey from the scombrid-grade anatomy, but the precise diet remains inferred. The species preserves an instructive combination of primitive and specialised features in an early pelagic predator.
Quick Identification
Look for: a scombrid skull with paired postero-superior fossae close to the front of the orbit, a broad spatulate vomer, a short pterotic spine and large scales over the opercular region; the premaxilla is fixed rather than strongly protrusible.
Diagnostic Features
- Postero-superior fossae lie near the anterior margin of the orbit.
- Anterior vomer is broad and distinctly spatulate.
- Premaxilla and maxilla form a non-protrusible upper-jaw arrangement.
- Pterotic bears a short posterior spine.
- Large scales cover the opercular bones and adjacent cheek region.
Fossil Details
Recorded Fossil Sites
No fossil-site occurrences have yet been recorded for this species.
References
- Casier, E. (1966). Faune ichthyologique du London Clay. 496 pp.. Trustees of the British Museum (Natural History), London View reference
- Friedman, M.; Beckett, H. T.; Close, R. A.; Johanson, Z. (2016). The English Chalk and London Clay: two remarkable British bony fish Lagerstätten. Geological Society, London, Special Publications, 430(1), 165–200. Geological Society of London, London View reference
- Monsch, K. A. (2005). Revision of the scombroid fishes from the Cenozoic of England. Transactions of the Royal Society of Edinburgh: Earth Sciences, 95(3–4), 445–489 View reference