Unio protensus ellipticus Tapparone Canefri, 1889 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Unionidae genus Lamellidens species Lamellidens corrianus Name Homonyms Unio protensus ellipticus Tapparone Canefri, 1889