Paratirolites spinosus (Shevyrev, 1965) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda order Ceratitida family Dzhulfitidae genus Dzhulfites species Dzhulfites spinosus Name Homonyms Paratirolites spinosus (Shevyrev, 1965)