casper
The Living Force
It was thought that sharks came from a primitive lineage that didn’t ever develop bone, unlike other fish, but fossilised skeleton found in Kimberley shows sharks once had bone cells within cartilage, suggesting a sophisticated evolutionary path.
Link:
http://www.theguardian.com/science/2015/may/29/missing-link-in-shark-evolution-found-in-380m-year-old-australian-fossil
Link:
http://www.theguardian.com/science/2015/may/29/missing-link-in-shark-evolution-found-in-380m-year-old-australian-fossil
