Contact: Robin Ann Smith
National Evolutionary Synthesis Center (NESCent)
Caption: This is a photograph of a museum reconstruction of Acanthostega, an early tetrapod. Acanthostega measured about 2 feet (0.6m) in length.
Credit: Photo courtesy of Jennifer Clack
Usage Restrictions: None
Related news release: Ancient fossils shed light on anatomical changes accompanying evolution of first land vertebrates