#Ancient bony fish forces rethink of how sharks evolved
“#Ancient bony fish forces rethink of how sharks evolved” Virtual three-dimensional model of the braincase of Minjinia turgenensis generated from CT scan. Inset shows raw scan data showing the spongy endochondral bone inside. Credit: Imperial College London/Natural History Museum Sharks’ non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a…