Calliostoma nudiusculum (E.von Martens, 1881) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Trochida family Calliostomatidae genus Calliostoma species Calliostoma nudiusculum Name Synonyms Trochus nudiusculus E.von Martens, 1881 Homonyms Calliostoma nudiusculum (E.von Martens, 1881)