Archelon

What does archelon look like?
Archelon had a leathery carapace instead of the hard shell seen in sea turtles. The carapace may have featured a row of small ridges, each peaking at ...
What era did the archelon live?
Archelon lived during the Late Cretaceous period, 85 – 65 million years ago in the seas of the Northern Hemisphere. When was archelon around?When did ...