Triodus

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Triodus
Fossil range: Permian
Triodus.
Triodus.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Xenacanthida
Family: Xenacanthidae
Genus: Triodus

Triodus is a genus of xenacanthidan shark that lived in the Permian.

[edit] Sources

  • The Rise of Fishes: 500 Million Years of Evolution by John A. Long
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