Ephippioceras clitellarium (Sowerby, 1840) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda order Nautilida family Ephippioceratidae genus Ephippioceras species Nautilus clitellarius Name Homonyms Ephippioceras clitellarium (Sowerby, 1840)