Ammonites angulicostatus (d'Orbigny, 1863) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Crioceratitidae genus Pseudothurmannia species Pseudothurmannia angulicostata Name Homonyms Ammonites angulicostatus (d'Orbigny, 1863)