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Fossil Eggshells

All articles tagged with #fossil eggshells

Ancient Dinosaur Eggs in China Dated to 86 Million Years Ago Using Atomic Clock

Originally Published 4 months ago — by KSL.com

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Source: KSL.com

Scientists in China used advanced uranium-lead dating to determine that a clutch of 28 dinosaur eggs from the Cretaceous period is approximately 86 million years old, marking the first reliable dating of fossils from the Qinglongshan site and opening new avenues for understanding dinosaur reproduction and evolution.

Jurassic America Revealed Through 100-Million-Year-Old Dinosaur Eggs

Originally Published 7 months ago — by Earth.com

Featured image for Jurassic America Revealed Through 100-Million-Year-Old Dinosaur Eggs
Source: Earth.com

Fossilized eggshells from the Cedar Mountain Formation in Utah reveal a diverse array of dinosaur species, including multiple types of oviraptorosaurs and other reptiles, sharing nesting sites 100 million years ago, indicating complex ecosystems and migration patterns between Asia and North America.