Fig. 10From: A large new Middle Jurassic ichthyosaur shows the importance of body size evolution in the origin of the OphthalmosauriaDetails of the reconstruction of the braincase and posterior palatal and cheek regions of Argovisaurus martafernandezi, holotype PIMUZ A/III 5279 in A posterior; B dorsal; C anterior and D left lateral view. Abbreviations: atax, atlas-axis pleurocentrum; atna, atlas neural arch; axna, axis neural arch; boc, basioccipital; epi, epipterygoid; exo, exoccipital; nc, neural canal; opi, opisthotic; pbs, parabasisphenoid; pt, pterygoid; qj, quadratojugal; qu, quadrate; soc, supraoccipital; sq, squamosal; stp, stapesBack to article page