Ammonites planulatus (Sowerby, 1827) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Desmoceratidae genus Puzosia species Puzosia planulatus Name Homonyms Ammonites planulatus (Sowerby, 1827) Ammonites planulatus (Quenstedt, 1849)