Eulytoceras inaequalicostatus (d'Orbigny, 1840) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Lytoceratidae genus Lytoceras species Lytoceras inaequalicostatus Name Homonyms Eulytoceras inaequalicostatus (d'Orbigny, 1840)