Homalopoma sanguineum f. fusca Dautzenberg, 1883 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Animalia phylum Mollusca class Gastropoda order Trochida family Colloniidae genus Homalopoma species Homalopoma sanguineum Name Homonyms Homalopoma sanguineum f. fusca Dautzenberg, 1883