Tremalithus Kamptner, 1948 Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Chromista phylum Haptophyta class Prymnesiophyceae order Coccolithales family Coccolithaceae genus Coccolithus Name Homonyms Tremalithus Kamptner ex Deflandre, 1952 Tremalithus Kamptner, 1948