Stigonematales

Rivulariaceae
Gloeotrichia echinulata
Scientific classification
Kingdom:	Bacteria
Subkingdom:	Eubacteria
Phylum:	Cyanobacteria
Class:	Cyanophyceae
Order:
Family:	Rivulariaceae Kützing ex Bornet & Flahault
Genera
Calothrix C.Agardh ex Bornet & Flahault, 1886 Dichothrix Zanardini ex Bornet & Flahault, 1886 Gardnerula G.De Toni, 1936 Isactis Thuret ex Bornet & Flahault, 1886 Microchaete Thuret ex Bornet & Flahault 1886 Rivularia C.Agardh ex Bornet & Flahault, 1886 Sacconema Borzì ex Bornet & Flahault, 1886

The Rivulariaceae are a family of cyanobacteria within the in which the filaments (trichomes) are tapered from wider at the base to narrower at the tip.

The type species is Rivularia haematites (Dc) C. A. Agardh.

Guiry, M.D.; Guiry, G.M. (2008). "Rivulariaceae". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. 

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