Cidaris species 2
Family: Cidaridae	Order: Cidaroida
Locality: Philippines, Siquijor, 250-300 feet, 2006	Dimensions: 48 mm Ø , longest spine 65 mm
Surely a Stereocidaris. Differs from Stereocidaris granularis by the tapering, at the distal end not widening spines with longitudinal ridges and the colour.