. Breviora. 1978 MAMMALIAN TEETH OF TRIBOSPHENIC PATTERN 13 small posterior heel and an anterior basal cusp which is displaced towards the lingual side, indicating that the tooth is from the lower jaw. PM 1098 (Fig. 4, b) is the posterior part of a lower premolar, probably a little larger than PM 1247 and with a larger, two-cusped heel. PM 1136 (Fig. 4, c) is a much smaller tooth with no anterior. Figure 4. Premolars and canine, a, PM 1247, lingual and crown views; b, PM 1098, lingual view; c, PM 1136, ? buccal view; d, PM 931, buccal and crown views; e, PM 1124; f, SMP-SMU 62399, lingual and
. Breviora. 1978 MAMMALIAN TEETH OF TRIBOSPHENIC PATTERN 13 small posterior heel and an anterior basal cusp which is displaced towards the lingual side, indicating that the tooth is from the lower jaw. PM 1098 (Fig. 4, b) is the posterior part of a lower premolar, probably a little larger than PM 1247 and with a larger, two-cusped heel. PM 1136 (Fig. 4, c) is a much smaller tooth with no anterior. Figure 4. Premolars and canine, a, PM 1247, lingual and crown views; b, PM 1098, lingual view; c, PM 1136, ? buccal view; d, PM 931, buccal and crown views; e, PM 1124; f, SMP-SMU 62399, lingual and crown views (from a cast); g, SMP- SMU 61947, lingual and crown views; h, SMP-SMU 61948, buccal and crown 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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