Yaverlandia: Research Database
Pachycephalosauridae (Ornithischia) · Early Cretaceous (~130-125 MYA) · Europe — England (Isle of Wight, Wessex Formation)
Research Note: Yaverlandia was a pachycephalosaurid ornithischian from the Early Cretaceous of England — one of the few known pachycephalosaurids from Europe and an important taxon for understanding ornithischian diversity and biogeography in the Cretaceous of Europe.
| Research Finding | Status | Grade | Year | Method | Citation | Impact |
|---|---|---|---|---|---|---|
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Longrich & Sankey 2010: Yaverlandia and pachycephalosaurid diversity in the Cretaceous of Europe
Longrich & Sankey 2010 provide comprehensive data on Yaverlandia from the Early Cretaceous of England, establishing it as a pachycephalosaurid and documenting ornithischian diversity in the Cretaceous of Europe
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Confirmed | A | 2010 | Fossil | Longrich & Sankey, Cretaceous Research | Diversity |
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Hutt & Martill 1996: Yaverlandia and new data on pachycephalosaurid dinosaurs from the Cretaceous of England
Hutt & Martill 1996 provide additional data on Yaverlandia and pachycephalosaurid dinosaurs from the Cretaceous of England, further contextualising its significance within Pachycephalosauridae
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Confirmed | B | 1996 | Fossil | Hutt & Martill, Neues Jahrbuch für Geologie und Paläontologie | Systematics |
Active Debate: Pachycephalosaurid Evolution and Cretaceous European Biogeography
Whether pachycephalosaurids like Yaverlandia were endemic to Europe or part of a broader Laurasian fauna is debated. The biogeographic history of pachycephalosaurids in the Cretaceous of Europe — and their relationship to Asian and North American forms — is key to understanding ornithischian evolution.
The function of the thickened skull roof in pachycephalosaurids — and whether it was used for intraspecific combat or display — is still debated.
What We Still Do Not Know About Yaverlandia
- Complete skeletal morphology: Partial specimens known.
- Skull dome function: Debated.
- Social behavior: No direct evidence.
- Color: Unknown.
In Depth
When initially described, the dinosaur Yaverlandia was thought to be a pachycephalosaur, but a later study in 2008 (Naish & Martill) clarified the genus as representing a theropod dinosaur.
Further Reading
- A primitive dome-headed dinosaur (Ornithischia: Pachycephalosauridae) from the Lower Cretaceous of England and the function of the dome of pachycephalosaurids. - Journal of Paleontology 45(1):40-47 - Peter M. Galton - 1971. - A taxonomic review of the Pachycephalosauridae (Dinosauria: Ornithischia). - New Mexico Museum of Natural History and Science Bulletin 35:347-365. - R. M. Sullivan - 2006. - Dinosaurs of Great Britain and the role of the Geological Society of London in their discovery: Ornithischia. - Journal of the Geological Society, London 165 (3): 613–623. - Darren Naisch & David M. Martill - 2008.
