An ancient sink hole in eastern Tennessee holds the clues to an
important transitional time in the evolutionary history of snakes.
Among the fossilized creatures found there is a new species of snake that lived 5 million years ago.
Researchers examined hundreds of dark mineral-stained snake fossils
found in the Gray Fossil Site near East Tennessee State University and
were surprised to discover vertebrae that don’t match any known species
of snake, living or extinct.-read more
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