Fossilization of a 150-year-old Fossil from the Canadian Arctic

The thrilling discovery of a new marine reptile species is not something that happens every day. Now that a team of researchers has announced the discovery of a new species of plesiosaur, we can add a new name to the list of extinct creatures that once roamed the earth. 
The newly named creature, Plesiopleurodon wellesi, lived during the Late Cretaceous period, about 145 million years ago.
Plesiosaurs are a group of marine reptiles …