Tetranema Cossmann, 1912 Dataset GBIF Backbone Taxonomy Rank GENUS Published in Essais Paléoconch. comp., 9, 138. Classification kingdom Animalia phylum Mollusca genus Tetranema Name Homonyms Tetranema Hackel, 1879 Tetranema Areschoug, 1850 Tetranema Benth. Tetranema Fraser, 1937 Tetranema Sweet