Piloceras newtonwinchelli (Clarke, 1897) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Ellesmeroceratidae genus Clarkoceras species Piloceras newtonwinchelli Name Synonyms Clarkeoceras newtonwinchelli (Clarke, 1897) Clarkoceras claytonense Powell, 1935 Clarkoceras newtonwinchelli (Clarke, 1897) Homonyms Piloceras newtonwinchelli (Clarke, 1897)