Xenacanthidae
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| Xenacanthidae Temporal range: Carboniferous–Triassic |
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| Triodus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Xenacanthida |
| Family: | Xenacanthidae |
| Genera | |
Xenacanthidae is a family of prehistoric sharks in the order Xenacanthida.
