An analysis of fossil remains reveals a species of ancient “fishapod” that transitioned to land only to return to the water.
at a site on Ellesmere Island in the Canadian territory of Nunavut. Stumbling across several sediments with scales across their surface, the paleontologists gathered the specimens and took them to their labs. But, as the researchers concentrated their attention on their analysis ofThe team’s analysis found that the specimen featured some scales, a portion of a pair of jaws and a portion of a neck.
Much more significantly, the team’s use of computed tomography techniques revealed that the specimen also featured an arm-like pectoral fin, like“At first we thought it could be a juvenile, because it was smaller,” says Neil Shubin, a study author and a professor of biology and anatomy at the University of Chicago, in a press release. “But the humerus is smooth and boomerang shaped, and it doesn’t have the elements that would support it pushing up on land.
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