Yaverlandia

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Yaverlandia
Temporal range:
Ma
↓
Replica of MIWG 1530 seen from two different angles
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Theropoda
Clade: Maniraptoriformes
Clade: Maniraptora
Genus: †Yaverlandia
Galton, 1971
Species:
†Y. bitholus
Binomial name
†Yaverlandia bitholus
Galton, 1971

Yaverlandia (meaning "of

pachycephalosaurid family, but research by Darren Naish shows it to have actually been a theropod, seemingly a maniraptoran.[4] The type species is Y. bitholus.[5]

Discovery and naming

MIWG 1530, the holotype skull, was discovered in 1930, in

Peter Malcolm Galton (1971) named the fossil as Yaverlandia, which he described as a pachycephalosaurid since the skull of Yaverlandia was different than that of Vectisaurus (Mantellisaurus).[5]

In 2012 additional remains were reported, but these have not been described.[10]

Description

Yaverlandia was about 3 ft (1 m) in length and 1 ft (30 cm) in height.[11]

Classification

Before being named, Swinton (1936) had MIWG 1530 placed within

Pachycephalosauridae.[5] Sullivan (2000), Sereno (2000)[12] Naish (2006; unpublished thesis), Sullivan (2006)[13] and Naish (2008)[4]
all re-classified Yaverlandia as a maniraptoran.

Paleoecology

Yaverlandia was found in the

crocodylomorph Hylaeochampsa vectiana.[17]

References

  1. ISBN 0-520-24209-2
    .
  2. ^ Batten, D. J. (ed.) 2011. English Wealden Fossils. The Palaeontological Association, London.
  3. ^ "Magnetostratigraphy of the Lower Cretaceous Vectis Formation (Wealden Group) on the Isle of Wight, Southern England."
  4. ^
    S2CID 129624992
    .
  5. ^ a b c Galton, P.M. (1971) "A primitive dome-headed dinosaur (Ornithischia: Pachycephalosauridae) from the Lower Cretaceous of England and the function of the dome of pachycephalosaurids". Journal of Paleontology, Vol. 45, No. 1, Pages 40–47.
  6. ^ Watson, D.M.S (1930) Proceedings of the Isle of Wight Natural History Society. 2, 60.
  7. ^ BBC: Dinosaurs of The Isle of Wight - Ornithischians
  8. ^ a b Swinton, W.E. (1936). The dinosaurs of the Isle of Wight. Proceedings of the Geologists’ Association, 47, 204–220.
  9. ^ Vectisaurus valdensis, a new Wealden Dinosaur (J. W. Hulke) Quarterly Journal of the Geological Society, 35, 421-424, 1 February 1879, https://doi.org/10.1144/GSL.JGS.1879.035.01-04.27
  10. ISSN 0016-7878
    .
  11. ^ Sullivan, R.M. 2006. A taxonomic review of the Pachycephalosauridae (Dinosauria: Ornithischia). New Mexico Museum of Natural History and Science Bulletin 35:347-365
  12. ^ Sereno, P. C., (2000): The fossil record, systematics and evolution of pachycephalosaurs and ceratopsians from Asia. 480-516 in Benton, M. J., Shishkin, M. A., Unvin, D. M. & Kurochkin, E. N., (eds.) 2000: The Age of Dinosaurs in Russia and Mongolia. Cambridge University Press, Cambridge, xxxix-696
  13. Pachycephalosauridae
    (Dinosauria: Ornithischia). New Mexico Museum of Natural History Bulletin 35: 347-365
  14. ^
    ISBN 0-520-24209-2
    .
  15. PMID 35702254
    .
  16. S2CID 18562271
    .
  17. ^ Clark; Norell, James; Mark (January 1992). "The Early Cretaceous crocodylomorph Hylaeochampsa vectiana from the Wealden of the Isle of Wight". American Museum Novitates: 19.{{cite journal}}: CS1 maint: multiple names: authors list (link)
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