Scientists have found 'beautifully preserved' 15-million-year-old thin protein sheets in fossil shells from southern Maryland. The team collected samples from Calvert Cliffs, along the shoreline of the Chesapeake Bay, a popular fossil collecting area. They found fossilized shells of a snail-like mollusk called Ecphora that lived in the mid-Miocene era.<img src="//feeds.feedburner.com/~r/sciencedaily/~4/InThrRedyDE" height="1" width="1" alt=""/>
