Sphaerospermopsis oumiana (M.Watanabe 1996) Tuji and Niiyama 2012 Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Nostocales family Aphanizomenonaceae genus Sphaerospermopsis species Sphaerospermopsis oumiana Name Homonyms Sphaerospermopsis oumiana Sphaerospermopsis oumiana NIES-1931 Sphaerospermopsis oumiana NIES-1678 Sphaerospermopsis oumiana (M.Watanabe 1996) Tuji and Niiyama 2012