The ancient cephalopod, Nanaimoteuthis haggarti, appears to have been an apex predator that rivaled mosasaurs to rule prehistoric seas. A sketch of the giant octopus of the genus Nanaimoteuthis from ...
Mesozoic seas were full of marine monsters. There were snaggle-toothed fish, shell-crushing sharks, and, of course, enormous mosasaurs. Now, researchers have revealed another dangerous denizen of the ...