Jaw Fossil From English Beach Belongs to Monstrous Marine Reptile

Shonisaurus, a giant ichthyosaur is pictured in this handout reconstruction image obtained by Reuters April 9, 2018. Nobumichi Tamura/Handout via REUTERS

By Will Dunham

WASHINGTON—A jawbone fossil found on a rocky English beach belongs to one of the biggest marine animals on record, a type of seagoing reptile called an ichthyosaur that scientists estimated at up to 85 feet (26 meters) long - approaching the size of a blue whale.