Planktoniella woltereckii Schimper Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Coscinodiscales family Coscinodiscaceae genus Coscinodiscus species Coscinodiscus sol Name Homonyms Planktoniella woltereckii Schimper ex Karsten, 1905 Planktoniella woltereckii Schimper