Contact: Carolyn Belardo
Academy of Natural Sciences of Drexel University
Caption: Drs. Jason Downs and Dr. Ted Daeschler, both of the Academy of Natural Sciences, with the fossil skull of Laccognathus embryi, a large predatory fish that lived 375 million years ago.
Credit: C. Frederick Mullison/ANSP
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Related news release: New species of ancient predatory fish discovered