Cymatoceras pacificum Matsumoto & Muramoto, 1983 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda order Nautilida family Cymatoceratidae genus Cymatoceras species Cymatoceras pacificum Name Homonyms Cymatoceras pacificum Matsumoto & Muramoto, 1983