These modern crinoids are much more flexible and can move across the sea floor, giving them an advantage in the changing oceans of the time. The resilience of crinoids is evident in their ...

Graduate student Christina O’Malley noticed that different crinoids species embedded side by side in rock were slightly different colors. When the team analyzed the chemical composition of the fossils ...

An examination of the cleaned-up fossil revealed that it was a regurgitated meal consisting of the two crinoids, a relative of the modern-day sea starfish. Experts say it could offer clues about ...