Ammonites semiornatus (Crick, 1894) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Otoitidae genus Pseudotoites species Pseudotoites semiornatus Name Homonyms Ammonites semiornatus (d'Orbigny, 1850) Ammonites semiornatus (Crick, 1894)