. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. romer: labyrinthodontia 287 it is clearly not a reptile, but a labyrinthodont; and quite surely it stems not from the oolites, but from the Permian, Zones I-II of which are extensively exposed near the northern limits of the former Simbirsk government. Rhinosaurus was compared by Huxley and Owen with Micropholis because of comparable skull proportions and the presence in both forms of a well developed otic notch. If, however, the skull roof pattern be examined (no other features except the lateral view of skull and ja
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. romer: labyrinthodontia 287 it is clearly not a reptile, but a labyrinthodont; and quite surely it stems not from the oolites, but from the Permian, Zones I-II of which are extensively exposed near the northern limits of the former Simbirsk government. Rhinosaurus was compared by Huxley and Owen with Micropholis because of comparable skull proportions and the presence in both forms of a well developed otic notch. If, however, the skull roof pattern be examined (no other features except the lateral view of skull and jaw are figured or described), it will be seen that Rhinosaurus is actually a sejaiiouriamorphan, and one very similar to Seymouria itself. Both intertemporal (large) and supratemporal are 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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