Published February 21, 2013 at 432 × 288 in Ancient Fossilized Sea Creatures Yield Oldest Biomolecules Isolated Directly from a Fossil William Ausich (left) and Christina O’Malley (right) study fossils of ancient sea animals called crinoids. Here, O’Malley holds a modern crinoid. Photo by Kevin Fitzsimons, courtesy of Ohio State University. (Visited 9 times, 1 visits today)