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, according
to a new paper co-authored by a University of Pennsylvania
paleontologist, is a new species of snake that lived 5 million years
ago.
Steven Jasinski, lead author of the new study, is a doctoral student
in Penn's Department of Earth and Environmental Science in the School of
Arts & Sciences and acting curator of paleontology and geology at
the State Museum of Pennsylvania. He is completing his Ph.D. under Peter
Dodson, a professor of paleontology in Arts & Sciences and
professor of anatomy in the School of Veterinary Medicine at Penn.The fossils come from the Gray Fossil Site near East Tennessee State University, where Jasinski and co-author David Moscato pursued their master's degrees.-read more
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