Life … Animals Echinoderms Sea Urchins, Sand Dollars, and Heart Urchins Camarodonta Parechinidae Psammechinus Green Sea Urchin species 2,022 observations Green Sea Urchin Psammechinus miliaris Field notes Supported by All 4 native plantssupport it in the US Food plants Plants it feeds on Broadleaf Sea Lettuce, Gutweed, Sea Hair, Bonnemaison's Hook Weed 4 Close
