Tylocephalonyx
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Tylocephalonyx Temporal range: 23.03–5.33 Ma Miocene |
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Fossil
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Perissodactyla |
| Superfamily: | †Chalicotherioidea |
| Family: | †Chalicotheriidae |
| Subfamily: | †Schizotheriinae |
| Genus: | †Tylocephalonyx |
| Species: | Tylocephalonyx skinneri |
Tylocephalonyx is an extinct dome-headed chalicothere from the Miocene in North America. It may have used its "dome" in the same way as the pachycephalosaurs. Tylocephalonyx is related to the modern horse, rhino, and tapir.
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