Unio generosus angustior Hanley & Theobald, 1876 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Unionidae genus Lamellidens species Lamellidens generosus Name Homonyms Unio generosus var. angustior Hanley & Theobald, 1876 Unio generosus angustior Hanley & Theobald, 1876