. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 372 Bulletin Museum of Cumparative Zoology, Vol. 144, No. 5. Figure 8. Romerio primus, n. sp. Type, MCZ 1963. A, skull in lateral, dorsal, and occipital views. B, braincose in ven- tral view. C, left lower jaw in lateral view. D, lower jaws in ventral view. XI /2- row in all Pennsylv^anian romeriids and and the entire tooth row becomes relatively Protorothyris is straight, the premaxilla of shorter. The size of the skull remains es- this species and subsequent members of sentially the same. The changes in denti- this
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 372 Bulletin Museum of Cumparative Zoology, Vol. 144, No. 5. Figure 8. Romerio primus, n. sp. Type, MCZ 1963. A, skull in lateral, dorsal, and occipital views. B, braincose in ven- tral view. C, left lower jaw in lateral view. D, lower jaws in ventral view. XI /2- row in all Pennsylv^anian romeriids and and the entire tooth row becomes relatively Protorothyris is straight, the premaxilla of shorter. The size of the skull remains es- this species and subsequent members of sentially the same. The changes in denti- this lineage is down-turned to form a tion indicate that the appearance of this "; The canines are less emphasized genus was related to a change in prey spe-. 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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