Aphanothece saxicola f. nidulans (P.Richter) Elenkin, 1938 Dataset TAXREF Rank FORM Classification kingdom Bacteria phylum Cyanobacteria class Cyanophyceae order Chroococcales family Cyanobacteriaceae genus Aphanothece species Aphanothece nidulans Name Homonyms Aphanothece saxicola f. nidulans (P.Richter) Elenkin, 1938