Pycnoderma gracilis (Hartman, 1961) Hartman, 1961 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Annelida class Polychaeta family Flabelligeridae genus Piromis species Piromis gracilis Name Homonyms Pycnoderma gracilis (Hartman, 1961) Hartman, 1961