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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.
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genus richterae xenacanthiform carboniferous permian brazil extinct cartilaginous fish lived 2017 new species described rio rasto formation references reading
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Triodus | is a | extinct genus of xenacanthiform cartilaginous fish that lived from the Carboniferous to the Permian | 0.90 | text |
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