Instead, things like ammonites or corals are the most common fossils; and of course, crinoids are a coveted find. Crinoids are often referred to as “sea lilies” even though they’re ...

All of Earth’s creatures have the potential to slowly fossilize, making them discoverable after millions of years to be studied and entered into the annals of science. That includes those that ...

“But this is the oldest example where anyone has found biomarkers inside a particular complete fossil.” The fossilized crinoids—spindly, plant-like animals with multiple feathery arms, which are used ...