See text Pycnodontidae is an extinct family of ray-finned fishes, ranging from the Jurassic period until the Eocene.

It was the largest and most derived family of the successful Mesozoic fish order Pycnodontiformes, and one of only two families (alongside the Serrasalmimidae) to survive into the Cenozoic.

[1][2] The following genera are known:[3] This article about a prehistoric ray-finned fish is a stub.

You can help Wikipedia by expanding it.