Fossil friday: Platycrinus saffordi, the sea lily
Though they're known as sea lilies, crinoids are animals not plants. Think of them as starfish-on-a-stick: they are filter-feeding sea ...
Tag: crinoids
Ancient Fossilized Sea Creatures Yield Oldest Biomolecules Isolated Directly from a Fossil
Paleontologists have long believed that complex organic molecules couldn't survive fossilization; but to contradict this long standing belief, some 350-million-year-old ...