Nonion crassulum (Walker & Jacob, 1798) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Foraminifera class Globothalamea order Rotaliida family Nonionidae genus Nonion species Nonion crassulum Name Synonyms Nautilus crassulus Fichtel & Moll, 1798 Nautilus crassulus G.Walker & Jacob, 1798 Homonyms Nonion crassulum (Walker & Jacob, 1798)