Edestidae

Edestidae Fossil range: Early Carboniferous - Early Jurassic
Edestus protopirata
Scientific classification
Order:	Eugeneodontida
Family:	Edestidae
Genera:	Edestus Helicampodus Listracanthus Lestrodus Metaxyacanthus Parahelicampodus Physonemus Prospiraxis Syntomodus

Edestidae is an extinct and poorly known order of bizarre sharks. They possessed a unique "tooth-worl" on the symphysis of the lower jaw as well as pectoral fins supported by long radials. The palatoquadrate was either fused to the skull or reduced. It is possible that they may belong to Holocephali.

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