No maximum weight applies to carry-on baggage except in the below stations: 1  Singapore, Singapore - Changi International Airport (SIN) carry on should not exceed 15 lbs. 2  South Korea - Incheon International Airport (ICN) carry on should not exceed 22 lbs.
Dreadnoughtus probably spent its days munching massive quantities of plants to fuel its enormous body. It was a member of a group of dinosaurs called titanosaurs that are thought to have been the largest dinosaurs that ever lived. Argentinosaurus also was a titanosaur.
But at 60 or so tons, the middle Eocene Basilosaurus was certainly the biggest prehistoric whale that ever lived, outweighing even the much later Leviathan (which itself may have tangled with the biggest prehistoric shark of all time, Megalodon) by 10 or 20 tons.