Drs. Jason Downs and Ted Daeschler, Academy of Natural Sciences (IMAGE)

Academy of Natural Sciences of Drexel University

Drs. Jason Downs and Ted Daeschler, Academy of Natural Sciences

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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