Etymology: "neo" for new, "cidaris" for sea urchin, "Schwarzenheggeri for its strength and destructive power (in honor of Austrian-American actor, filmmaker, businessman, investor, author, philanthropist, activist, and former professional bodybuilder and politician Arnold Schwarzenegger, who was in the movie The Terminator). Cousin of the 21st century: Cidaris cidaris, long-spine sea urchin slate pen. Size: 50 cm high for more than 1 meter in diameter. Distribution: Continental Shelf Eurafrican plate. Many in the intertidal zone.