Nautilus bisulcatus Dacque, 1905 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda order Nautilida family Paracenoceratidae genus Somalinautilus species Nautilus antiquus Name Homonyms Nautilus bisulcatus Dacque, 1905 Nautilus bisulcatus Wulfen, 1793