gigantic

A genus of gigantic cephalopods, allied to the squids, found esp

A genus of gigantic American Jurassic dinosaurs, having large cavities in the bodies of the dorsal vertebrae.

strongly malodorous tropical American plants usually with gigantic leaves

By some geologists it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure.

n constituting the order Marattiales: chiefly tropical eusporangiate ferns with gigantic fronds