Calothrix

Calothrix is a genus of cyanobacteria. They are generally found in freshwater.^[2]

Bright-field microscopy image of epiphytic cyanobacterial symbiont Calothrix rhizosoleniae SC01 9 (indicated by arrows) attached to a host diatom Chaetoceros sp. (c). Scale bar, 50 μm.

Calothrix
A 1921 drawing of Calothrix
Scientific classification
Domain:	Bacteria
Kingdom:	Bacillati
Clade:	"Cyanobacteria/Melainabacteria clade"
Phylum:	Cyanobacteria
Class:	Cyanophyceae
Order:	Nostocales
Family:	Rivulariaceae
Genus:	Calothrix Bornet & Flahault 1886[1]
Species
Calothrix adscendens Calothrix atricha Calothrix braunii Calothrix breviarticulata Calothrix caespitora Calothrix confervicola Calothrix crustacea Calothrix donnelli Calothrix elenkinii Calothrix epiphytica Calothrix fusca Calothrix juliana Calothrix parasitica Calothrix parietina Calothrix pilosa Calothrix pulvinata Calothrix scopulorum Calothrix scytonemicola Calothrix simulans Calothrix solitaria Calothrix stagnalis Calothrix stellaris Calothrix thermalis Calothrix 336/3