Figure 11. Ultra high resolution X in Cranial anatomy of Paleocene and Eocene Labidolemur kayi (Mammalia: Apatotheria), and the relationships of the Apatemyidae to other mammals

Figure 11. Ultra high resolution X-ray computed tomography (uhrCT) slices of USNM 530208. See caption for Figure 8. (A) slice no. 210; the solid arrow indicates the postglenoid foramen; the dashed arrow indicates the subsquamosal foramen. (B) slice no. 194; the white arrow indicates the opening of the postglenoid foramen into the lateral neurocranium. (C) slice no. 187; the white arrow indicates the canal for the greater petrosal nerve running through the petrosal. (D) slice no. 72; the white arrow indicates the posterior semicircular canal. Note also the extensive pneumatization of the petrosal (in the mastoid region) and exoccipital.