. Breviora. 1966 SELENODONT ARTIODACTYLS FROM THOMAS FARM 21 MERYCOIDODONTIDAE MERYCHYINAE cf. Merychyus sp. An oreodont is represented in the Thomas Farm fauna by a single left upper molar, MCZ 7765, and an incomplete tarsus, MCZ 7766. In structure and size the molar (Fig. 3) most closely resembles Meiychyus minimus, but is also quite similar to M. elegans of a later age. The external faces of the outer crescents are transversely concave and longitudinally convex, so that their apices overhang the internal crescents in typical oreodont fashion. The posterior crescents are narrower than the an
. Breviora. 1966 SELENODONT ARTIODACTYLS FROM THOMAS FARM 21 MERYCOIDODONTIDAE MERYCHYINAE cf. Merychyus sp. An oreodont is represented in the Thomas Farm fauna by a single left upper molar, MCZ 7765, and an incomplete tarsus, MCZ 7766. In structure and size the molar (Fig. 3) most closely resembles Meiychyus minimus, but is also quite similar to M. elegans of a later age. The external faces of the outer crescents are transversely concave and longitudinally convex, so that their apices overhang the internal crescents in typical oreodont fashion. The posterior crescents are narrower than the anterior pair and are relatively longer anteroposterioriy, as in M^ of M. elegans. A strong cingulum is present on the anterior side of the protocone and a weaker one on the posterior side of the 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. , Museum of Comparative Zoology, Harvard University
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