. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 9. Pancelosaurus piger, n. gen. A, body osteoscute, dorsal view; UC 61414; B, the same, ventral view; C, maxilla in lingual view, UC 49772; D, right pterygoid, ventral view, MCZ 3497; E, parietal in dorsal view, MCZ 3498. A-B, Upper Cretaceous Hell Creek Formation, Montana; C, Upper Cretaceous Lance Formation, Wyoming; D, Upper Paleo- cene Bison Basin deposits, Wyoming. A-D X 8, E X 4. curled ventrad; mesial edge bears small vomerine process, lateral edge with larger maxillary process. Latter process exhibits o
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 9. Pancelosaurus piger, n. gen. A, body osteoscute, dorsal view; UC 61414; B, the same, ventral view; C, maxilla in lingual view, UC 49772; D, right pterygoid, ventral view, MCZ 3497; E, parietal in dorsal view, MCZ 3498. A-B, Upper Cretaceous Hell Creek Formation, Montana; C, Upper Cretaceous Lance Formation, Wyoming; D, Upper Paleo- cene Bison Basin deposits, Wyoming. A-D X 8, E X 4. curled ventrad; mesial edge bears small vomerine process, lateral edge with larger maxillary process. Latter process exhibits oval articular surface, which in Recent anguids is overlapped ventrally by maxilla. Oval articular surface bears anterior notch for the exit of superior alveolar nerve, which in Recent anguids enters maxilla at this point. Infraorbital canal completely surrounded by palatine bone as in all anguids; however, in majority of fossils this process damaged, giving appearance of notch to infraorbital foramen. Comparison. In having a toothed pala- tine bone, Pancelosaurus piger agrees among the Recent forms only with Ophi- saiirus, in all species of which this bone Dears teeth. Among the fossil forms toothed palatines appear to be the rule. Arpado- saurus, Melanosaurus, and Peltosaurus all. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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