Green sea urchin
# Green sea urchin

Several species of sea urchin share the name green sea urchin:

* Lytechinus variegatus, also known as the variegated sea urchin
* Psammechinus microtuberculatus, occurs in the Atlantic Ocean, Adriatic Sea, Aegean Sea and Mediterranean
* Psammechinus miliaris, also known as the shore sea urchin
* Strongylocentrotus droebachiensis, common in northern waters all around the world
