Rotalia umbonata (Reuss, 1851) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Foraminifera class Globothalamea order Rotaliida family Alabaminidae genus Oridorsalis species Oridorsalis umbonatus Name Homonyms Rotalia umbonata (Reuss, 1851) Rotalia umbonata LeRoy, 1944