Calothrix C.Agardh Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Bacteria phylum Cyanobacteria class Cyanobacteriia order Cyanobacteriales family Rivulariaceae genus Calothrix Name Synonyms Calothyris Clem. & Shear Richelia Homonyms Calothrix C.Agardh ex Bornet & Flahault, 1886 Calothrix C.Agardh