Swimming Crinoids (Feather Starfish): the living Fossil

Swimming Crinoids (Feather Starfish): the living Fossil Crinoids(Feather Starfish) are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). Crinoidea comes from the Greek word krinon, “a lily“, and eidos, “form“. They live both in shallow water and in depths as great as 6,000 metres