Fig. 9
From: Cranial and mandibular anatomy of Plastomenus thomasii and a new time-tree of trionychid evolution
Three dimensional renderings of the partial basicranium of Plastomenus thomasii (AMNH FR 6015) with reconstructed arteries and nerves. A anterodorsal view onto parabasisphenoid and left pterygoid; B dorsal view. Note that bones are labelled in bold. Nerves are reconstructed in yellow, arteries in red, and veins in blue. abng abducens nerve groove, ccb canals caroticus basisphenoidalis, cera cerebral artery, ds dorsum sellae, ica internal carotid artery, ‘lata’ lateral artery (possible palatine artery or pseudopalatine artery or mandibular artery), lhv lateral head vein, pbs parabasisphenoid, pt, pterygoid, rbsp rostrum basisphenoidale, scav sulcus cavernosus, st sella turcica, tra trabecula, VI abducens nerve, VIIvi vidian branch of facial nerve