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Petalodontidae

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Petalodontidae
Temporal range: Lower Carboniferous to Permian
Teeth of Petalodus ohioensis (Carboniferous).
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Holocephali
Order: Petalodontiformes
Family: Petalodontidae
Newberry & Worthen, 1866
Genera

Petalodontidae is an extinct family of marine cartilaginous fish related to the modern-day chimaeras, found in what is now the United States of America and Europe. With a very few exceptions, they are known entirely from teeth. All fossils range from the Carboniferous to the Permian, where they are presumed to have died out during the Permian/Triassic extinction event.

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