Dinocycloceras ballianum (Girty, 1909) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda order Orthocerida family Pseudorthoceratidae genus Dinocycloceras species Cycloceras ballianum Name Homonyms Dinocycloceras ballianum (Girty, 1909)