? spitzbergensis Frebold, 1929 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Cephalopoda order Ceratitida family Sibiritidae Name Homonyms ? spitzbergensis Wiman, 1914 ? spitzbergensis Frebold, 1929 ? spitzbergensis Nikiforova, 1936 ? spitzbergensis Danielssen, 1887