''Cuspidothrix'' is a genus of cyanobacteria belonging to the family Nostocaceae.
The genus has almost cosmopolitan distribution.
Species:
*''Cuspidothrix elenkinii''
*''Cuspidothrix issatschenkoi''
*''Cuspidothrix tropicalis''
References
{{Taxonbar, from=Q27438661
Nostocaceae
Cyanobacteria genera