Welcome back to Bizarre Beasts: Season Zero, where we are remastering episodes of Bizarre Beasts that were originally created for Vlogbrothers. This episode, Feather Stars! The ancient sea creature that has been on this planet for 500...

With some general information regarding echinoderms covered, it's time to get a sense of the diversity within this clade. First let's look at class Crinoidea, which contains the sea lilies and feather stars. These are fascinating...