Big bang theory: How did dinosaurs have sex?

Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long ...

Dinosaur with tiny arms unearthed in Argentina

Argentine experts have discovered the near-complete remains of a new species of Jurassic-era dinosaur that stood on its rear legs and had tiny arms, according to a leading paleontologist.

New study reveals North America's biggest dinosaur

(PhysOrg.com) -- New research from Montana State University's Museum of the Rockies and the State Museum of Pennsylvania has unveiled enormous bones from North America's biggest dinosaur.

New 'missing link' dinosaur discovered in Argentina

Fossils of a recently discovered dinosaur species in Argentina is a "missing link" in the evolution of the long-necked giants that roamed the earth millions of years ago, paleontologists said.

Dino footprints enter record books

French researchers on Tuesday said they had uncovered the biggest dinosaur footprints in the world, left by giant sauropods that may have weighed 40 tonnes or more.

Argentinosaurus

Eugnathostomata

Argentinosaurus is a genus of titanosaur sauropod dinosaur first discovered by Guillermo Heredia in Argentina. The generic name refers to the country in which it was discovered ("Argentina" is derived from the Latin argentum). The dinosaur lived on the then-island continent of South America somewhere between 97 and 94 million years ago, during the mid Cretaceous Period.

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