Coscinodiscus denarius A.Smith Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Coscinodiscales family Coscinodiscaceae genus Coscinodiscus species Coscinodiscus denarius Name Homonyms Coscinodiscus denarius A.Schmidt Coscinodiscus denarius A.Smith Coscinodiscus denarius Van Heurck, 1909