More than 100 eggs have been dug up at a dinosaur graveyard in Argentina providing the world's first evidence of herd behaviour. Scans show they belong to the same species - a primitive long necked herbivore called Mussaurus patagonicus. The shells with the embryos still inside date back 193 million years.

Has a dinosaur egg been found?

Granger finally said, 'No dinosaur eggs have ever been found, but the reptile probably did lay eggs. ... However in the 1990s Museum expeditions discovered identical eggs, one of which contained the embryo of an Oviraptor, like dinosaur—which changed scientists' view of which dinosaur laid these eggs.

Where was Dinosaur Eggs Found?

In 1859, the first scientifically documented dinosaur egg fossils were discovered in southern France by a Catholic priest and amateur naturalist named Father Jean-Jacques Pouech; he thought, however, that they were laid by giant birds.