Discovery Facts: The Sea Urchin Scott Admin posted on 2 years ago — updated on 1 second ago 361 views Here's the sea urchin 101. Everything you need to know about these spiky echinoderms. Sea urchins (Echinoidea, regular urchins, porcupines of the sea). Sea urchin facts! They are even featured in Animal Crossing. nature wildlife ocean sea urchin Scott Follow Author, educator, musician, dancer and all around creative type. Founder of "The Happy Now" website and the online jewelry store "Silver and Sage".
