An ancient shark’s weird fins helped it glide like a manta ray
Spanning nearly 2 meters, the fins’ length rivals the wingspan of bald eagles
![reconstruction of an ancient eagle shark](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/03/031721_cg_shark_feat_bg-opt.jpg?fit=1030%2C580&ssl=1)
Aquilolamna milarcae — nicknamed eagle shark for its long, curving fins (as seen in this illustration) — lived about 93 million years ago in an ancient sea in what is now northeastern Mexico.
R. Vullo et al/Science 2021