Xenacanthidae

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Xenacanthidae
Fossil range: CarboniferousTriassic
Triodus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Xenacanthida
Family: Xenacanthidae
Genera

Plicatodus
Triodus
Xenacanthus


Xenacanthidae is a family of prehistoric sharks in the order Xenacanthida.

Expleuracanthus.
Expleuracanthus.
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