FIGURE 8. Photograph of the wear surface on a hadrosaur tooth from the Lance Formation, Wyoming (DMNH 22160). This wear surface is dentine only and shows an abundance of shallow scratches similar to that in Figure 7.
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FIGURE 8. Photograph of the wear surface on a hadrosaur tooth from the Lance Formation, Wyoming (DMNH 22160). This wear surface is dentine only and shows an abundance of shallow scratches similar to that in Figure 7.
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