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FIGURE 20. Schmelzmuster of Nevadomys fejfari n. gen. and sp. on the alternating Triangle 3 of m1. 1: the leading edge of Triangle 3 of the same tooth as Figure 5.5. Two radial enamel layers are present: the inner layer (close to dentine, below) is more compressed than the outer layer (up). 2: the trailing edge of Triangle 3 of the same tooth, with the same pattern as the leading edge.