Coscinodiscus lewisianus Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Coscinodiscales family Coscinodiscaceae genus Coscinodiscus species Coscinodiscus lewisianus Name Homonyms Coscinodiscus lewisianus Coscinodiscus lewisianus Greville, 1866