Fig. 9. Eumegamys paranensis MLP 41.XII.13.237 in Basicranial Morphology And Relationships Of Antillean Heptaxodontidae (Rodentia, Ctenohystrica, Caviomorpha)

Fig. 9. Eumegamys paranensis MLP 41.XII.13.237, ventral view of posterior part of skull (author's photograph). Sawcut (see text) passed horizontally through the left auditory region at the level of the external acoustic canal and stylomastoid foramen. On specimen's right side, note relatively enormous foramen ovale + foramen lacerum, deep cleft in external acoustic meatus related to tympanic fenestra, position of posttympanic foramen, and robustly built glenoid and mastoid areas.