Photograph courtesy D. Scott
One of the newfound egg clutches contained 34 eggs (pictured), which were likely submerged during a flood. The shells' extreme thinness—only about a hundred microns wide—made them hard to spot.
Eggs in the clutches were arranged in single layers, meaning a mother dino must have created a "controlled nesting environment" by possibly organizing the eggs.
Scientists were also surprised to find several generations of nests in different levels of rocks, suggesting the dinosaurs regularly returned to the same site to lay their eggs.
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