Prionoceras Sepkoski, 2002 Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Animalia phylum Mollusca class Cephalopoda order Goniatitida family Prionoceratidae genus Prionoceras Name Homonyms Prionoceras Hyatt, 1883 Prionoceras Buckman, 1920 Prionoceras Sepkoski, 2002