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Fossil ‘Winged Serpent’ Is a New Species of Ancient Snake,Penn Doctoral Student Finds(图)
Winged Serpent New Species of Ancient Snake Penn Doctoral Student
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2017/7/20
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 ...
Fossil Dog Represents a New Species,Penn Paleontology Grad Student Finds
Fossil Dog Penn Paleontology Grad Student
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2016/5/19
A doctoral student at the University of Pennsylvania has identified a new species of fossil dog. The specimen, found in Maryland, would have roamed the coast of eastern North America approximately 12 ...