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Posts tagged "wasps"

The possible wasp cocoons found inside a fossilized dinosaur egg (coin shown for scale).

Scientists were recently investigating several roughly 70-million-year-old titanosaur eggs found in the Patagonia region of Argentina.

Titanosaurs belonged to a group of gigantic plant-eaters that included the heaviest creatures to ever walk the Earth. Titanosaur eggs were similarly largeā€”up to almost 8 inches (20 centimeters) long.

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. Read more.