While dinosaurs ruled the land, Cretaceous oceans were home to a fierce and enormous octopus species that may have reached up to 19 metres in length, rivalling the size of the largest predators of the ...

An artist’s reconstruction of a finned octopus of the species Nanaimoteuthis haggarti that reached a length estimated at up to 18.6 meters (61.02 feet) and lived about 86 to 72 million years ago ...