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 Nodosilineales Strunecký & Mareš (2023) see Order Nodosilineales Strunecký and Mareš 2023
       Family Nodosilineaceae Strunecký & Mareš (2023) see Family Nodosilineaceae Strunecký and Mareš 2023
         1 Genus Amazoninema Genuário, W.R.de Souza, R.T.R.Monteiro, Sant'Anna & I.T.S.Melo (2020)
         2 Genus Euryhalinema Chakraborty & Mukherjee (2019) see Genus Euryhalinema Chakraborty and Mukherjee 2019
         3 Genus Gibliniella Strunecký & Raabová (2020) see Genus Gibliniella Strunecký and Raabová 2020
         4 Genus Haloleptolyngbya P.K. Dadheech, H. Mahmoud, K. Kotut & L. Krienitz (2012) see Genus Haloleptolyngbya Dadheech et al. 2012
         5 Genus Halomicronema Abed, Garcia-Pichel & Hernández-Mariné (2002) see Genus Halomicronema Abed et al. 2002
         6 Genus Leptoelongatus Chakraborty & Mukherjee (2019) see Genus Leptoelongatus Chakraborty and Mukherjee 2019
         7 Genus Marileptolyngbya Zhou & Ling (2018) see Genus Marileptolyngbya Zhou and Ling 2018
         8 Genus Nodosilinea Perkerson & Casamatta (2011) see Genus Nodosilinea Perkerson and Casamatta 2011
         9 Genus Salileptolyngbya Zhou (2018) see Genus Salileptolyngbya Zhou 2018