Saurodon

Saurodon (from Greek: σαῦρος saûros, 'lizard' and Greek: ὀδούς odoús 'tooth')^[1] is an extinct genus of ichthyodectiform fish from the Cretaceous.

Saurodon leanus is known to occur as early as the late Coniacian through the Santonian, in the Late Cretaceous. It was a large, predatory fish, with a length of more than 2.5 m (8 ft 2 in).^[2] S. elongatus from Calcari di Melissano had length only around 90 cm (35 in).^[3]

S. leanus

Saurodon leanus left lateral view of 3D reconstruction in the Rocky Mountain Dinosaur Resource Center, Woodland Park, Colorado