Triodus
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| Triodus Temporal range:
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|---|---|
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| Fossil | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | †Xenacanthiformes |
| Family: | †Xenacanthidae |
| Genus: | †Triodus Jordan, 1849 |
| Species | |
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Triodus is an extinct genus of xenacanthiform cartilaginous fish that lived from the Carboniferous to the Permian. In 2017, a new species Triodus richterae was described from the Rio do Rasto Formation of Brazil.[1]
References
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Further reading
[edit | edit source]- The Rise of Fishes: 500 Million Years of Evolution by John A. Long
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Categories:
- Xenacanthiformes
- Prehistoric cartilaginous fish genera
- Carboniferous cartilaginous fish
- Permian cartilaginous fish
- Prehistoric fish of North America
- Carboniferous United States
- Permian United States
- Prehistoric fish of South America
- Permian Brazil
- Fossils of Brazil
- Paraná Basin
- Fossil taxa described in 1849
- Prehistoric cartilaginous fish stubs