Eucidaris thouarsii (Valenciennes, 1846) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Echinodermata class Echinoidea order Cidaroida family Cidaridae genus Eucidaris species Eucidaris thouarsii Name Homonyms Eucidaris thouarsii (L.Agassiz & Desor, 1846) Eucidaris thouarsii (Valenciennes, 1846)