Phascolion strombi var. gracilis Gerould, 1913 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Animalia phylum Sipuncula class Sipunculidea order Golfingiiformes family Phascoliidae genus Phascolion species Phascolion strombus Name Homonyms Phascolion strombi gracilis Gerould, 1913 Phascolion strombi var. gracilis Gerould, 1913