Armenoceras nummularium (de Sowerby & Murchison, 1839) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Armenoceratidae genus Armenoceras species Orthoceras nummularius Name Homonyms Armenoceras nummularium (de Sowerby & Murchison, 1839)