Pisidium pusillum Letourneux & Bourguignat, 1887 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Sphaeriida family Sphaeriidae genus Euglesa species Euglesa casertana Name Homonyms Pisidium pusillum Letourneux & Bourguignat, 1887 Pisidium pusillum Woodward, 1913 Pisidium pusillum Jenyns, 1832