THE MISTAKEN GIANT
1 60-metre-long dinosaur was an error
PLACE OF DISCOVERY: USA, 1877
A number of long-necked dinosaurs are vying for the title of the biggest terrestrial animal of all time, including Argentinosaurus and Patagotitan. They both grew about 40 metres long and weighed up to 70 tonnes. But a mysterious bone discovered in 1877 made them small by comparison. The bone, a vertebra, was 2.7 metres tall, according to the original description, and
