Evolution

There’s a new study reported on at Phys.Org. This was a few weeks back. It seems that a “cousin” of a shark had a bony structure. And it appears that sharks FIRST had a bony structure and only subsequently developed a cartilagineous structure. The lead researcher Dr. Martin Brazeau, from the Department of Life Sciences at Imperial, had this to say: “It was a very unexpected discovery. Conventional wisdom says that a bony inner skeleton was a unique innovation of the lineage that split from the ancestor of sharks more than 400 million years ago, but here is clear evidence of bony inner skeleton in a cousin of both sharks and, ultimately, us.” Dr. Brazeau goes on to further say: Read More ›