The Ichthyosaur Severnensis depicted by an artist as it may have looked.

These giants of the waves are the largest creatures on Earth, land or sea.

The history of how creatures can grow so large is written in the famouscolossal dinosaurs.

Ichthyosaur Severnensis

The Ichthyosaur Severnensis depicted by an artist as it may have looked. (Photo:Gabriel Ugueto)

Prehistoric giants tell us a lot about the evolution of large life, as a new discovery demonstrates.

They contacted Dr. Dean Lomax, a paleontologist, to assess these finds.

As it turned out, similar fossils were discovered in 2016 by Paul de la Salle.

Its new scientific name means giant fish lizard of the Severn.

Lomax said in astatement, This research has been ongoing for almost eight years.