Scientists discover new marine T rex that was twice the size of great whites and ‘meaner than any mosasaur’ Yahoo News Canada Exclusive: There’s a new T. rex in town—and this giant beast ruled the seas National Geographic ‘T. rex’ Mosasaur Ruled the Seas 80 Million Years Ago Sci.News Ancient seas get a new T. rex as massive mosasaur emerges from Texas fossils Phys.org There's a new T. rex from the dinosaur age — and it ruled the seas with a skull-crushing bite Live Science