Fig. 3
Labelled detail view of the left auditory region of the cranium of Brachyodus onoideus from Chilleurs-aux-Bois (Loiret, France, NMB S04600). bo basioccipital, bs basisphenoid, fo foramen ovale, gf glaser fissure, gs glenoid surface, hf hypoglos foramen, jn jugular notch, mlf medium lacerate foramen, mp mastoid process, mt meatal tube, pap paroccipital process, pb petrosal bone, pgf postglenoid foramen, pgp postglenoid process, ptp postympanic process, smf stylomastoid foramen, spgf secondary postglenoid foramen, tb tympanic bulla. Scale bar 10 cm