Abstract
Abstract Although camelids, in general, are characterized by uncomplicated, conservative occlusal wear patterns in the cheek teeth, attention to details can sometimes reveal important differences among taxa. In this paper, sequential wear stages in the posterior deciduous premolars and molars are described and compared between the brachydont Miocene camelids Miolabis princetonianus and “Oxydactylus” sp., cf. “O”. longirostris and the hypsodont Miocene camelid Michenia sp. It is found that there are differences between the brachydont camelids on the one hand, and the hypsodont camelid on the other, in the overall occlusal wear patterns, the order in which the molar lophs and lophids become linked, and the relative age (wear stage) at which these connections are established. In the lower teeth, Michenia sp. shows early formation of lophids and reduction of fossettids in the DP4, M1, and M2 compared to M. princetonianus and “O.” sp., cf. “O”. longirostris. Also, the protoconid-hypoconid lophid is the last to...
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