Helicoprion

Helicoprion is a genus of eugeneodontid holocephalid fish. It resembles almost similar like a shark that lived during the late Carboniferous period, over 310 million years ago. The species had a unique tooth-whorl structure placed on its lower jaw. The species measured approximately 3-4 meters in length.

Helicoprion dinosaur

Helicoprion 1

Helicoprion dinosaur

Helicoprion 2

Helicoprion 3

Helicoprion dinosaur

Helicoprion 3