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{{short description|Bone of the lower jaw}}
[[File:Proceratosaurus bradleyi Skull Reconstruction (alt).png|thumb|Skull diagram of the dinosaur ''[[Proceratosaurus]]'', showing location of surangular]]
[[File:Dimetrodon skull lateral.svg|thumb|Skull and jaws diagram of the primitive [[Synapsida|synapsid]] ''[[Dimetrodon]]'', showing location of surangular]]
The '''surangular''' or '''suprangular''' is a [[jaw bone]] found in most land [[vertebrate]]s, except mammals. Usually in the back of the jaw, on the upper edge,<ref>{{cite news |last1=Dunham |first1=Will |title=Gigantic marine reptile's fossils found by British girl and father |url=https://www.reuters.com/science/gigantic-marine-reptiles-fossils-found-by-british-girl-father-2024-04-17/ |access-date=12 May 2025 |work=[[Reuters]] |date=April 18, 2024}}</ref> it is connected to all other jaw bones: [[dentary]], [[angular bone|angular]], [[splenial]] and [[articular]].{{Citation needed|date=May 2025}} It is often a muscle attachment site. It has been noted in [[dinosaur]]s.<ref>{{cite journal |last1=Lomax |first1=Dean R. |last2=Salle |first2=Paul de la |last3=Perillo |first3=Marcello |last4=Reynolds |first4=Justin |last5=Reynolds |first5=Ruby |last6=Waldron |first6=James F. |title=The last giants: New evidence for giant Late Triassic (Rhaetian) ichthyosaurs from the UK |journal=PLOS ONE |date=17 April 2024 |volume=19 |issue=4 |article-number=e0300289 |doi=10.1371/journal.pone.0300289 |doi-access=free |pmid=38630678 |bibcode=2024PLoSO..1900289L |language=en |issn=1932-6203|pmc=11023487 }}</ref>

==References==
{{reflist}}

{{Tetrapod osteology|S.}}

[[Category:Skull bones]]

{{Vertebrate anatomy-stub}}

Surangular - Revision history

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