Surangular

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Skull diagram of the dinosaur Proceratosaurus, showing location of surangular Proceratosaurus bradleyi Skull Reconstruction (alt).png
Skull diagram of the dinosaur Proceratosaurus , showing location of surangular
Skull and jaws diagram of the primitive synapsid Dimetrodon, showing location of surangular Dimetrodon skull lateral.svg
Skull and jaws diagram of the primitive synapsid Dimetrodon , showing location of surangular

The surangular or suprangular is a jaw bone found in most land vertebrates, except mammals. Usually in the back of the jaw, on the upper edge, [1] it is connected to all other jaw bones: dentary, angular, splenial and articular.[ citation needed ] It is often a muscle attachment site. It has been noted in dinosaurs. [2]

References

  1. ↑ Dunham, Will (April 18, 2024). "Gigantic marine reptile's fossils found by British girl and father". Reuters . Retrieved 12 May 2025.
  2. ↑ Lomax, Dean R.; Salle, Paul de la; Perillo, Marcello; Reynolds, Justin; Reynolds, Ruby; Waldron, James F. (17 April 2024). "The last giants: New evidence for giant Late Triassic (Rhaetian) ichthyosaurs from the UK". PLOS ONE. 19 (4): e0300289. Bibcode:2024PLoSO..1900289L. doi: 10.1371/journal.pone.0300289 . ISSN   1932-6203. PMC   11023487 . PMID   38630678.
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