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Wasps in rotting dino eggs




http://news.nationalgeographic.com/news/2011/07/110719-wasps-eggs-dinosaurs-titanosaurs-ancient-animals-science/

Wasps may have once roosted within rotting dinosaur eggs, an idea suggested by the discovery of exceptionally well-preserved fossils of insect cocoons.

Scientists were recently investigating several roughly 70-million-year-old titanosaur eggs found in the Patagonia region of Argentina.
...
Within one of the broken fossil eggs from Argentina, researchers found eight tiny, sausage-shaped structures about an inch (two to three centimeters) long and nearly a half-inch (just over a centimeter) wide.

The strange structures appear to be fossilized insect cocoons that are similar in size and shape to cocoons belonging to a number of modern wasp species.
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