Boelsche, W., 1909. Het paard in zijne natuurlijke ontwikkeling. Zutphen, W.J. Thieme and Cie, pp. i-viii, 1-216
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World |
| Subject: |
Taxonomy - Evolution |
| Species: |
All Rhino Species |
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The Sumatran Rhinoceros undoubtedly is part of the original branch of the evolutionary tree and is the one leading us the deepest into the series of Tertiary rhinoceroses. His molars are the closest to those of horses, they remain short and without cement, his hide is relatively thin and very hairy. He is smaller and his second horn is set very much back.
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Het paard in zijne natuurlijke ontwikkeling
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