Allopiloceras subunguliforme Ulrich et al., 1943 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Piloceratidae genus Allopiloceras species Allopiloceras subunguliforme Name Homonyms Allopiloceras subunguliforme Ulrich et al., 1943