Eurhodia rugosa Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Echinodermata class Echinoidea order Echinolampadacea family Eurhodiidae genus Eurhodia species Eurhodia rugosa Name Synonyms Cassidulus ravenli (Clark & Twitchell, 1915) Eurhodia ravenli (Clark & Twitchell, 1915) Eurhodia rugosa rugosa Pygorhynchus rugosus (Ravenel, 1848) Homonyms Eurhodia rugosa