Plegiocidaris crucifera (Agassiz, 1840) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Echinodermata class Echinoidea order Cidaroida family Cidaridae genus Plegiocidaris species Cidaris crucifera Name Homonyms Plegiocidaris crucifera (Agassiz, 1840)