Ammonoceratites crenocostatus (Whiteaves, 1876) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Lytoceratidae genus Lytoceras species Lytoceras crenocostatus Name Homonyms Ammonoceratites crenocostatus (Whiteaves, 1876)