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 Oculatellales Strunecký & Mareš (2023) [monotypic] see Order Oculatellales Strunecký and Mareš 2023
       Family Oculatellaceae Mai & J.R.Johans. (2018) see Family Oculatellaceae Mai and Johansen 2018
         01 Genus Albertania Zammit (2018) see Genus Albertania Zammit 2018
         02 Genus Calenema Ramos, Brito & Kaštovský (2017) see Genus Calenema Ramos et al. 2017
         03 Genus Cartusia Mai, Johansen & Pietrasiak (2018) see Genus Cartusia Mai et al. 2018
         04 Genus Drouetiella Mai, Johansen & Pietrasiak (2018) see Genus Drouetiella Mai et al. 2018
         05 Genus Elainella Jahodářová, Dvořák & Hašler (2018) see Genus Elainella Jahodářová et al. 2018
         06 Genus Kaiparowitsia Mai, Johansen & Bohunická (2018) see Genus Kaiparowitsia Mai et al. 2018
         07 Genus Komarkovaea Mai, Johansen & Pietrasiak (2018) see Genus Komarkovaea Mai et al. 2018
         08 Genus Metis Konstantinou & Gkelis (2021) see Genus Metis Konstantinou and Gkelis 2021
         09 Genus Oculatella G.Zammit, D.Billi & P.Albertano (2012) see Genus Oculatella Zammit et al. 2012
         10 Genus Pegethrix Mai, Johansen & Bohunická (2018) see Genus Pegethrix Mai et al. 2018
         11 Genus Shackletoniella Strunecký, Raabová & Bernardova (2020) see Genus Shackletoniella Strunecký et al. 2020
         12 Genus Thermoleptolyngbya Sciuto & Moro (2016) see Genus Thermoleptolyngbya Sciuto and Moro 2016
         13 Genus Tildeniella Mai, Johansen & Bohunická (2018) see Genus Tildeniella Mai et al. 2018
         14 Genus Timaviella Sciuto & Moro (2017) see Genus Timaviella Sciuto and Moro 2017
         15 Genus Toxifilum Zimba, Huang, Foley & Linton (2017) see Genus Toxifilum Zimba et al. 2017
         16 Genus Trichotorquatus Pietrasiak & J.R.Johans. (2021) see Genus Trichotorquatus Pietrasiak and Johansen 2021
         17 Genus Sodaleptolyngbya M. Cellamare, C. Duval, N. Touibi, C. Djediat & C. Bernard (2018) see Genus Sodaleptolyngbya Cellamare et al. 2018