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Swiss Journal of Palaeontology
Fig. 14 | Swiss Journal of Palaeontology

Fig. 14

From: Ontogenetic variation in the cranium of Mixosaurus cornalianus, with implications for the evolution of ichthyosaurian cranial development

Fig. 14

Mixosaurus cornalianus, lower jaw elements. Interpretative drawings are identified by an apostrophe beside their corresponding letter. A Articulated lower jaw of a fetus of PIMUZ T 4830 in medio-dorsal view (interpretative drawing only depicts right-side); B isolated surangular of fetus PIMUZ T 4830 in medial view; C isolated left surangular of a juvenile specimen PIMUZ T 2416 in lateral view; D disarticulated right lower jaw of a juvenile MSNM BES SC 1903 in lateral view; E posterior left lower jaw of adult specimen MSNM BES SC 1001 in medial view; F articulated posterior lower jaw of adult specimen PIMUZ T 2414 in lateral view; G isolated dentary of fetus of PIMUZ T 4830 in medial view; H isolated dentary of juvenile specimen PIMUZ T 2416 in medial view; I midsection left lower jaw of adult specimen MSNM BES SC 1001 in medial view (interpretative drawing emphasizes the splenial). an angular, ar articular, ata ankylosed tooth attachment, de dentary, def dentary facet, dlaw dentary labial wall, dliw dentary lingual wall, gle glenoid, par prearticular, pcop paracoronoid process, pgl preglenoid process, sp splenial, su surangular, sym symphyseal marks, tr tooth row. Scale bar equals 10 mm

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