Spathopsis trapezia ovoidea Mandahl-Barth, 1988 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Iridinidae genus Chambardia species Chambardia trapezia Name Homonyms Spathopsis trapezia ovoidea Mandahl-Barth, 1988