Paracenoceras prohexagonum Spath, 1935 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda order Nautilida family Paracenoceratidae genus Paracenoceras species Paracenoceras prohexagonum Name Homonyms Paracenoceras prohexagonum Spath, 1935