Akraea U. Lortou & S. Gkelis in Lortou et al., 2022 (current name source)
Akraea U. Lortou & S. Gkelis in Lortou et al., 2022 (verified source for family)
Amphirytos M. Panou & S. Gkelis in Jasser et al., 2022 (verified source for family)
Anthemodiscus J.W. Barker & S.H. Meakin, 1944 † accepted as Actinodictyon Pantocsek, 1889 † (source of synonymy)
Areschougia Trevisan, 1845 accepted as Lenormandia Sonder, 1845 (source of synonymy)
Aristella Kützing, 1834 (status source)
Astasia C.G. Ehrenberg, 1830 accepted as Euglena Ehrenberg, 1830 (source of synonymy)
Ava U. Lortou & S. Gkelis in Lortou et al., 2022 (verified source for family)
Ava U. Lortou & S. Gkelis in Lortou et al., 2022 (current name source)
Brachtia Trevisan, 1848 accepted as Palmophyllum Kützing, 1847 (source of synonymy)
Calothrix C.A. Agardh ex Bornet & Flahault, 1886 (verified source for family)
Calotrichaceae M.C. Cooke, 1890 (name verified source)
Calotrichaceae M.C. Cooke, 1890 (taxonomy source)
Calotrichaceae M.C. Cooke, 1890 (current name source)
Calotrichaceae M.C. Cooke, 1890 (basis of record)
Chlorolilaea U. Lortou & S. Gkelis in Gkelis, 2023 (current name source)
Coccoidesmus Q.H. Wang, Y. Hou & G.X. Liu in Wang et al., 2024 (status source)
Crumenula Dujardin, 1836 accepted as Euglena Ehrenberg, 1830 (source of synonymy)
Cyanidioschyzonaceae F.D. Ott, 2009 (current name source)
Cyanidioschyzonales (basis of record)
Cyanidioschyzonales (taxonomy source)
Cyanidioschyzonales (name verified source)
Cyanidioschyzonales (current name source)
Cyanidioschyzonales (extant flag source)
Cymbosira Kützing, 1844 accepted as Achnanthes Bory de Saint-Vincent, 1822 (source of synonymy)
Dasyphylla Stackhouse, 1816 accepted as Chondria C.A. Agardh, 1817 (source of synonymy)
Diomphala Ehrenberg, 1842 † accepted as Didymosphenia M. Schmidt in A. Schmidt, 1899 (source of synonymy)
Emiliania huxleyi (Lohmann) W.W. Hay & H.P. Mohler, 1967 accepted as Gephyrocapsa huxleyi (Lohmann) Reinhardt, 1972 (source of synonymy)
Entogonia Greville, 1863 (verified source for family)
Epiphylla Stackhouse, 1816 accepted as Phyllophora Greville, 1830 (source of synonymy)
Fimbriaria Stackhouse, 1809 accepted as Odonthalia Lyngbye, 1819 (source of synonymy)
Flexibiddulphia R. Simonsen, 1987 † (verified source for family)
Gephyrocapsa huxleyi (Lohmann) Reinhardt, 1972 (current name source)
Gloiococcus Shuttleworth, 1840 accepted as Chlamydomonas Ehrenberg, 1833 (source of synonymy)
Herposteiron Nägeli, 1849 accepted as Aphanochaete Braun, 1851 (source of synonymy)
Kallymeniopsis Perestenko ex A.V. Skriptsova, S.Y. Shibneva & A.A. Semenchenko, 2023 (current name source)
Kallymeniopsis Perestenko, 1977 accepted as Kallymeniopsis Perestenko ex A.V. Skriptsova, S.Y. Shibneva & A.A. Semenchenko, 2023 (status source)
Kallymeniopsis Perestenko ex A.V. Skriptsova, S.Y. Shibneva & A.A. Semenchenko, 2023 (basis of record)
Kallymeniopsis Perestenko, 1977 accepted as Kallymeniopsis Perestenko ex A.V. Skriptsova, S.Y. Shibneva & A.A. Semenchenko, 2023 (source of synonymy)
Kornmanniaceae L. Golden & K.M. Cole, 1986 (current name source)
Kornmanniaceae L. Golden & K.M. Cole, 1986 (name verified source)
Lamarckia G. Olivi, 1792 accepted as Codium Stackhouse, 1797 (source of synonymy)
Leptothermofonsia M. Daroch, J. Tang & M.R. Shah in Tang et al., 2022 (status source)
Mammillaria Stackhouse, 1809 accepted as Mastocarpus Kützing, 1843 (source of synonymy)
Medlinia P.A. Sims, 1998 † (verified source for family)
Membranifolia Stackhouse, 1809 accepted as Phyllophora Greville, 1830 (source of synonymy)
Mougeotiopsis Palla, 1894 (verified source for family)
Neowollea W. Tawong in Tawong et al., 2021 (verified source for family)
Nomia U. Lortou & S. Gkelis in Lortou et al., 2022 (verified source for family)
Nomia U. Lortou & S. Gkelis in Lortou et al., 2022 (current name source)
Parmaphyta accepted as Heterokontophyta (source of synonymy)
Potarcus C.S. Rafinesque, 1819 accepted as Calothrix C.A. Agardh ex Bornet & Flahault, 1886 (source of synonymy)
Pseudostigeoclonium B. Liu, Q. Lan, Q. Dai, H. Zhu & G. Liu, 2024 (status source)
Rhabdium C.F.W. Wallroth, 1833 (verified source for family)
Serritaenia A. Busch & S. Hess, 2021 (verified source for family)
Sheshukoviaceae Z.I. Gleser, ?1985 (current name source)
Sheshukoviaceae Z.I. Gleser, ?1985 (basis of record)
Sheshukoviaceae Z.I. Gleser, ?1985 (taxonomy source)
Sheshukoviaceae Z.I. Gleser, ?1985 (name verified source)
Styllaria Draparnaud ex Bory de Saint-Vincent, 1822 accepted as Licmophora C.A. Agardh, 1827 (source of synonymy)

 Taxonomic remark

 for Chlorolilaea U. Lortou & S. Gkelis in Gkelis, 2023

Nomen novum for Lilaea Lortou & Gkelis, 2022, non Lilaea Bonpland in Humboldt & Bonpland, 1808 (Magnolipsida). [details]

 Taxonomic remark

 for Kallymeniopsis Perestenko ex A.V. Skriptsova, S.Y. Shibneva & A.A. Semenchenko, 2023

Initially published as Kallymeniopsis Perestenko, 1977 which is unavailable (no type designated); subsequent ... [details]

 Taxonomic remark

 for Kallymeniopsis Perestenko, 1977

Unavailable name (no type designated); subsequent validation attempt by Perestenko, 1977 unsuccessful (no full and ... [details]

 Taxonomic remark

 for Mammillaria Stackhouse, 1809

nom. rej. vs. Mammillaria Haworth 1812 (nom. cons.) (Index Nominum Genericorum). From AlgaeBase, 2025 version: ... [details]