Unio nyassaensis ujijiensis Crosse, 1881 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Unionidae genus Nyassunio species Nyassunio ujijiensis Name Homonyms Unio nyassaensis ujijiensis Crosse, 1881 Unio nyassaensis var. ujijiensis Crosse, 1881