Phylum Cyanobacteria Garcia-Pichel et al. (2020) see Phylum Cyanobacteriota Oren et al. 2022 Class Cyanophyceae Hauck (1885) see Class Chroococcophyceae Hollerbach et al. 1953 Order Leptolyngbyales Strunecký & Mareš (2023) [paraphyletic] see Order Leptolyngbyales Strunecký and Mareš 2023 Family Trichocoleusaceae T.Mai & J.R.Johans. (2018), sedis mutabilis see Family Trichocoleusaceae Mai and Johansen 2018 ?Genus Schizothrix Kütz. ex Gomont (1892) see Genus Schizothrix Kützing ex Gomont 1892