. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. THE SKULL OF TAPINOCEPHALUS AND ITS NEAR RELATIVES 159 thickened naso-frontal boss, which stands out well above the general cranial surface. On the upwardly sloping face of the posterior part of the nasals there are a pair of shallow depressions. The prefrontal is greatly thickened in its posterior three-quarters but not in its anterior one-quarter and it overhangs the orbit, but the antero-dorsal orbital border is not greatly thickened. The surface around the pineal foramen is lower than that of the
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. THE SKULL OF TAPINOCEPHALUS AND ITS NEAR RELATIVES 159 thickened naso-frontal boss, which stands out well above the general cranial surface. On the upwardly sloping face of the posterior part of the nasals there are a pair of shallow depressions. The prefrontal is greatly thickened in its posterior three-quarters but not in its anterior one-quarter and it overhangs the orbit, but the antero-dorsal orbital border is not greatly thickened. The surface around the pineal foramen is lower than that of the surrounding Fig. 8. Mormosaurus seeleyi. Lateral view of skull and lower jaw. X £. 9082. With correction of the simple shear the skull has suffered. 3. The postorbital bar is fairly wide and massive. 4. The posttemporal arch is thick and the temporal fossa is small with its antero-posterior diameter small to moderate. 5. The dorsal parietal surface is moderate to broad (150-200 mm.) and the interorbital width is 88-97% of the intertemporal width. 6. The antero-posterior length of the parietal is small (75 mm.) and the frontal is fairly large. 7. The intersquamosa] width is moderate to great (438-477 mm.); and the median length is 105-115% of the intersquamosal width and the skull is thus slightly to appreciably narrower than long. 8. The quadrate is situated fairly far forward; the mandibular length is 59-64% of the median length of the skull; the lateral pterygoid rami weak but fairly wide. 9. The dentition is poorly preserved, but the anterior teeth in one specimen fairly Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
