Orbitoina Schenck & Frizzell, 1936 Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Chromista phylum Foraminifera class Globothalamea order Rotaliida family Lepidocyclinidae genus Orbitoina Name Synonyms Isorbitoina Schenck & Frizzell, 1936 Homonyms Orbitoina van de Geyn & van der Vlerk, 1935 Orbitoina Orbitoina Schenck & Frizzell, 1936