Long-necked dinosaurs grew to be giants in more ways than one

Fossils suggest some early sauropod relatives grew massive using a previously unknown method

giant long-necked sauropod

GETTING BIG  Some early relatives – such as Ingentia prima, illustrated – of giant long-necked sauropods may have had a unique way of growing to such a large size.

Jorge A. González 

For sauropods — the largest animals known to have walked on Earth — there may have been more than one way to get gigantic.