Euglesa subtruncata f. ponderosa (Stelfox, 1918) Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Animalia phylum Mollusca class Bivalvia order Sphaeriida family Sphaeriidae genus Euglesa species Euglesa subtruncata Name Homonyms Euglesa subtruncata f. ponderosa (Stelfox, 1918)