Field Museum shows fossils from Mazon Creek not far from Chicago
The fossils at the Mazon Creek site are so abundant and so well-preserved that researchers can reconstruct a detailed impression of the prehistoric ecosystem of which they were a part.
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The fossils at the Mazon Creek site are so abundant and so well-preserved that researchers can reconstruct a detailed impression of the prehistoric ecosystem of which they were a part.
It is likely the indigestible parts of lilies that were regurgitated by an animal, probably a fish that ate the plants.
Scientists have revealed fossils of a giant salamander-like beast with sharp fangs that ruled waters before the first dinosaurs arrived.
"Never in my wildest dreams would I imagine I would be able to study one of the best specimens of this iconic species."
It's not only the best of its kind ever found, it's also the only one you can see at any major museum. The fossil is helping paleontologists study how birds evolved
