Placenticeras sanctaemonicae (Waring, 1917) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Placenticeratidae genus Metaplacenticeras species Placenticeras sanctaemonicae Name Synonyms Metaplacenticeras sanctaemonicae (Waring, 1917) Homonyms Placenticeras sanctaemonicae (Waring, 1917)