. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 15. A comparison of the anthracosaur and temnospondyl skull. A and C, skull of Paleoherpeton, an anthracosaur, in dorsal and ventral views; B and D, skull of Dendrerpeton, a temnospondyl, in dorsal and ventral views. Not to scale. A and C from Panchen (1964). B and D from Carroll (1967). specimens in which the columns were pre- served showed an embolomerous pattern. On this basis Watson concluded that the embolomeres were the primitive labyrintho- dont stock. He suggested they gave rise, some time late in the C
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 15. A comparison of the anthracosaur and temnospondyl skull. A and C, skull of Paleoherpeton, an anthracosaur, in dorsal and ventral views; B and D, skull of Dendrerpeton, a temnospondyl, in dorsal and ventral views. Not to scale. A and C from Panchen (1964). B and D from Carroll (1967). specimens in which the columns were pre- served showed an embolomerous pattern. On this basis Watson concluded that the embolomeres were the primitive labyrintho- dont stock. He suggested they gave rise, some time late in the Carboniferous, to the rhachitomes on the one hand and reptiles on the other. Romer (1947, 1966), to whom more in- formation was available, revised Watson's classification. Romer used differences in vertebral structure as a basis for his new classification but also attached considerable importance to the association of certain features of the cranial anatomy with specific vertebral patterns. The relationship of the parietal and tabular is of particular impor- tance. The tabular is large in embolomeres and other anthracosaurs and has sutural. 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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