Every animal on the list including and after the starfish is a deuterostome.
You're about as closely related to a butterfly as you are to an octopus or an earthworm.
But butterflies, earthworms, and octopuses are all more closely related to each other than they are to you.
And that's just for starters. I like how it completely puts paid to the idea of evolution as a ladder from lesser to greater complexity.
