Loxostomum costulatum (Cushman, 1922) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Foraminifera class Globothalamea order Rotaliida family Bolivinitidae genus Loxostomina species Loxostomina costulata Name Homonyms Loxostomum costulatum (Cushman, 1922)