Triodus
| Triodus Temporal range: Permian | |
|---|---|
 | |
| Triodus. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Xenacanthida |
| Family: | Xenacanthidae |
| Genus: | Triodus Jordan, 1849 |
Triodus is an extinct genus of xenacanthidan shark that lived in the Permian. It was a freshwater shark, and fossils have been found in Germany.
Sources
- The Rise of Fishes: 500 Million Years of Evolution by John A. Long
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