. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Memonomenos D'plovertebron Rhir Fig. 46. Skull roofs of anthracosaurs. Memonomenos after Steen; Diplo- vertebron after Jaekel; Rhinosaurus after Fischer de Waldheim. The tabulars and postparietals are greatly reduced in extent (the sutures between them are not apparent) and the tabulars are obvi- ously m contact with the parietals — a good key character for the anthracosaurs. As in typical se;\aiiouriamorphs, the otic notch is well-developed, and with rounded contours. Also anthracosaurian in nature is the close appro
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Memonomenos D'plovertebron Rhir Fig. 46. Skull roofs of anthracosaurs. Memonomenos after Steen; Diplo- vertebron after Jaekel; Rhinosaurus after Fischer de Waldheim. The tabulars and postparietals are greatly reduced in extent (the sutures between them are not apparent) and the tabulars are obvi- ously m contact with the parietals — a good key character for the anthracosaurs. As in typical se;\aiiouriamorphs, the otic notch is well-developed, and with rounded contours. Also anthracosaurian in nature is the close approximation of the two external nares. The resemblance to Seymouria extends even to the notch developed at the anterior end of the orbit. Differences from Seymouria are few. The facial region is somewhat more pointed; the lacrimal just fails to reach the orbit; and the otic notch does not extend forward as. 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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