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| Location: |
World |
| Subject: |
Morphology - Skull |
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White Rhino |
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Ceratotherium simum - inverted lower PM1. Male collected in Umfolozi in 1961. The right ramus of the mandible had previously been broken and PM1 rotated through 180 degrees in a transverse plane, fixing the tooth in an inverted position. The occlusal surface was buried deep in the ramus, and the normally rooted portion of the tooth, now located dorsally, shows toth wear. Greater wear of the left toothrow than on the right toothrow indicates the injury was favoured during mastication.
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An inverted tooth in a white rhinoceros
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