Surangular

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Skull diagram of the dinosaur Proceratosaurus, showing location of surangular
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

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  2. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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