Fig. 5From: Ontogenetic variation in the cranium of Mixosaurus cornalianus, with implications for the evolution of ichthyosaurian cranial developmentMixosaurus cornalianus, quadrates and quadratojugals. Interpretative drawings are identified by an apostrophe beside the corresponding letter. A Isolated left quadrate of fetus PIMUZ T 4830 in lateral view; B semi-articulated left quadrate and quadratojugal (latter mostly hidden) of juvenile PIMUZ T 0077 in lateral view; C isolated left quadrate of juvenile specimen PIMUZ T 2416 in lateral view; D isolated right quadrate of juvenile specimen PIMUZ T 2416 in medial view; E isolated right quadratojugal of juvenile specimen PIMUZ T 2416 in medial view; F isolated right quadratojugal of a juvenile MSNM BES SC 1903 in lateral view; G isolated right quadratojugal of adult specimen PIMUZ T 2420 in lateral view. as articular surface, ol occipital lamella, ptf pterygoid flange, qf quadrate facet, suf surangular facet. Scale bar equals 5Â mmBack to article page