Pneumoderma violaceum f. pygmaeum (Tesch, 1903) Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Animalia phylum Mollusca class Gastropoda order Pteropoda family Pneumodermatidae genus Pneumoderma species Pneumoderma violaceum Name Homonyms Pneumoderma violaceum f. pygmaeum (Tesch, 1903)