Fig. 14.7 in Chapter 14: The Basicranial and Posterior Cranial Anatomy of the Families of the Toxodontia

Fig. 14.7. Adinotherium ovinum (FMNH 13110). Isolated left petrosal; cerebellar aspect. Dorsal toward top of page; rostral to left. Asterisk (*) indicates the petrosal contribution to midcranial fossa. Abbreviations: av, vestibular aqueduct; cpt, tentorial ossification of crista petrosa; iam, internal auditory meatus; sub, subarcuate fossa; ti, trigeminal impression.