Crinoids were the trigger for deep-sea exploration

June 2, 2017

Marc Eleaume with a crinoid
Marc Eleaume of Muséum national d’Histoire naturelle, Paris, France, with a crinoid that popped out of the mud in the wet lab during sorting. It is a small yellowish delicate organism that displays a crown of arms (here closed) on top of a stalk. Image: Asher Flatt