Cheek tooth morphology and ancient mitochondrial DNA of late Pleistocene horses from the western interior of North America: Implications for the taxonomy of North American Late Pleistocene Equus
Fig 2
Upper (A) and lower (B) fourth premolars showing the dental structures referred to in the text, following the dental nomenclature of Evander [64]. Computed tomography (CT-scan) images of LACM 192/156497 (A) and TMM 937–169 (B). The anterior side of both teeth is located to the right. The lingual side is located at the bottom in figure A and the top in figure B.