Tolypothrix fragilis Dataset NCBI Taxonomy Rank SPECIES Classification phylum Cyanobacteriota class Cyanophyceae order Nostocales family Tolypothrichaceae genus Tolypothrix species Tolypothrix fragilis Name Synonyms Hassallia fragilis Hassallia fragilis N.L.Gardner, 1927 Tolypothrix fragilis (Gardner 1927) Geilter 1932 Homonyms Tolypothrix fragilis Tolypothrix fragilis (Gardner 1927) Geilter 1932