Polystomella subnodosa (Münster, 1838) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Foraminifera class Globothalamea order Rotaliida family Elphidiidae genus Elphidium species Elphidium subnodosum Name Homonyms Polystomella subnodosa (Münster, 1838)