Massive, soft-bodied cephalopods up to 19 m (62 feet) long rivaled — and perhaps hunted — the ocean’s fiercest reptiles in the Cretaceous period, according to new research led by Hokkaido University paleontologists. An artist’s impression of an ancient giant octopus. Image credit: Yohei Utsuki, Hokkaido University. For hundreds of millions of years, marine ecosystems were thought to be dominated by large vertebrate apex predators....
