Intracranial Mobility in the Coelacanth

Abstract
Analysis of the jaw mechanism of the coelacanth Latimeria shows' that the action of the intracranial articulation and the associated subcephalic muscles (a system unique to the Crossopterygii) is important in increasing the angle of the gape and the power of the bite. Maximum rotation at the intracranial joint is approximately 15 degrees.

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