Fig. 6From: Ontogenetic variation in the cranium of Mixosaurus cornalianus, with implications for the evolution of ichthyosaurian cranial developmentMixosaurus cornalianus, isolated prearticulars and articulars. Interpretative drawings are identified by an apostrophe beside the corresponding letter. A Isolated left prearticular of a large juvenile MSNM BES SC 1903 in medial view; B isolated left prearticular of juvenile specimen PIMUZ T 2416 in medial view; C isolated right articular of a juvenile MSNM BES SC 1903 in medial view; D isolated left articular of juvenile PIMUZ T 2134 in medial view. anf angular facet, gl glenoid, ms medial surface, praf prearticular facet, spf splenial facet. Scale bar equals 5Â mmBack to article page