Elphidium advenum var. advenum Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Foraminifera class Globothalamea order Rotaliida family Elphidiidae genus Elphidium species Elphidium advenum Name Homonyms Elphidium advenum var. advenum Elphidium advenum subsp. advenum