| Name | Author | Source | Citation | Year |
|---|
| ARIASMONTANOA | Molinari & Guiry | Notulae algarum | 183: 1 | 2021 |
| Ariasmontanoa castellana | (P. González) Molinari & Guiry | Notulae algarum | 183: 1 | 2021 |
| Aulacodiscus madagascarensis | Tempère ex D.M. Williams | Phytotaxa | 480: 157, figs. 22-26 | 2021 |
| Baltisphaeridium liniferum | Cookson & Eisenack | Proc. Roy. Soc. Victoria, ser. 2, | 80: 253, pl. 40: fig. 9; pl. 41: figs. 7, 8 | 1967 |
| Botomaella decipiens | (Korde) Molinari & Guiry | Notulae algarum | 183: 4 | 2021 |
| CHRYSOPLATYTHECA | Molinari & Guiry | Notulae algarum | 183: 1 | 2021 |
| CYANOLEPTOPHYCUS | Molinari & Guiry | Notulae algarum | 183: 1 | 2021 |
| CYANOPHIOTHRIX | Molinari & Guiry | Notulae algarum | 183: 2 | 2021 |
| CYANOPLACOMA | Molinari & Guiry | Notulae algarum | 183: 2 | 2021 |
| CYANOTRICHOSPIRA | Molinari & Guiry | Notulae algarum | 183: 3 | 2021 |
| Chrysoplatytheca micropora | (F. Stein) Molinari & Guiry | Notulae algarum | 183: 1 | 2021 |
| Cyanoleptophycus gracilis | (J.H. Johnson) Molinari & Guiry | Notulae algarum | 183: 2 | 2021 |
| Cyanophiothrix epibryon | (Komárek) Molinari & Guiry | Notulae algarum | 183: 2 | 2021 |
| Cyanophiothrix epidendron | (C.L. Sant'anna, T.M.P. Azevedo, J. Kastovský & J. Komárek) Molinari & Guiry | Notulae algarum | 183: 2 | 2021 |
| Cyanophiothrix hansgirgii | (Schmidle) Molinari & Guiry | Notulae algarum | 183: 2 | 2021 |
| Cyanoplacoma adriatica | (Hauck) Molinari & Guiry | Notulae algarum | 183: 2 | 2021 |
| Cyanoplacoma africana | (Wille) Molinari & Guiry | Notulae algarum | 183: 2 | 2021 |
| Cyanoplacoma micrococca | (Hansgirg) Molinari & Guiry | Notulae algarum | 183: 2 | 2021 |
| Cyanoplacoma regularis | (P.A. Broady & M. Ingerfeld) Molinari & Guiry | Notulae algarum | 183: 2 | 2021 |
| Cyanoplacoma vesiculosa | (Schousboe ex Bornet & Thuret) Molinari & Guiry | Notulae algarum | 183: 3 | 2021 |
| Cyanoplacoma violacea | (Setchell & N.L. Gardner) Molinari & Guiry | Notulae algarum | 183: 3 | 2021 |
| Cyanoplacoma willei | (N.L. Gardner) Molinari & Guiry | Notulae algarum | 183: 3 | 2021 |
| Cyanotrichospira bula | (E.M. McNeill) Molinari & Guiry | Notulae algarum | 183: 3 | 2021 |
| Cyclotella rectangula | (Kützing) Brébisson ex Rabenhorst | Süssw.-Diat.: | 11 | 1853 |
| DIATOSTEPHANA | Molinari & Guiry | Notulae algarum | 183: 3 | 2021 |
| DINIOTORRICELLIA | Molinari & Guiry | Notulae algarum | 183: 3 | 2021 |
| Diatostephana decussata | (G. Karsten) Molinari & Guiry | Notulae algarum | 183: 3 | 2021 |
| Diniotorricellia cinguloindentata | (Torricelli) Molinari & Guiry | Notulae algarum | 183: 4 | 2021 |
| Encyonema shanxiense ('shanxiensis') | Q. Liu et al. | Phytotaxa | 480: 288 | 2021 |
| Epithemia agharkarii | A. Vigneshwaran, J.P. Kociolek & B. Karthick in Vigneshwaran et al. | Phytotaxa | 489: 172, figs. 1-40 | 2021 |
| Fistulella decipiens | Korde | Trudy Paleont. Inst. Akad. Nauk SSSR | 139: 217, pl. XLVI: figs. 2, 3; test-fig. 10 | 1973 |
| Fistulella sanashtykgolica | Korde | Trudy Paleont. Inst. Akad. Nauk SSSR | 139: 218, pl. XLVII: figs. 1-3 | 1973 |
| Fragilaria lemanensis | (J.C. Druart, S. Lavigne, & M. Robert) B. Van de Vijver, L. Ector & F. Straub in Van de Vijver et al. | Botany Letters | 168: 89 | 2020 |
| Fragilaria ostenfeldii | (Willi Krieger) Van de Vijver, E.E. Alexson & E.D. Reavie in Van de Vijver et al. | Botany Letters | 168: 88 | 2020 |
| HYDROPODOCAPSA | Molinari & Guiry | Notulae algarum | 183: 4 | 2021 |
| Hydropodocapsa pedicellata | (Ercegović) Molinari & Guiry | Notulae algarum | 183: 4 | 2021 |
| KORDEOFISTULA | Molinari & Guiry | Notulae algarum | 183: 4 | 2021 |
| Kordeofistula sanashtykgolica | (Korde) Molinari & Guiry | Notulae algarum | 183: 4 | 2021 |
| LEPTOPHYCUS | J.H. Johnson | Geological Society of America Bulletin | 51(4): 586 | 1940 |
| MAEDLERIA | Molinari & Guiry | Notulae algarum | 183: 5 | 2021 |
| MALVINIA | Houben, Bijl, Guerstein, Sluijs & Brinkhuis | Review of Palaeobotany and Palynology | 165: 177 | 2011 |
| MALVINIELLA | Molinari & Guiry | Notulae algarum | 183: 5 | 2021 |
| MONTANOA | P. González | Anales del Jardín Botánico de Madrid | 8: 267 | 1948 |
| Maedleria saprolithica | (Mädler) Molinari & Guiry | Notulae algarum | 183: 5 | 2021 |
| Malvinia escutiana | Houben, Bijl, Guerstein, Sluijs & Brinkhuis | Review of Palaeobotany and Palynology | 165: 177 | 2011 |
| Malviniella escutiana | (Houben, Bijl, Guerstein, Sluijs & Brinkhuis) Molinari & Guiry | Notulae algarum | 183: 5 | 2021 |
| NOSTOCOPSIS | Mädler | Beihefte zum Geologischen Jahrbuch | 58: 312 | 1963 |
| NOSTOCOPSIS | L.M. Yin & Z.P. Li | Memoirs of Nanking Institute of Geology and Palaeontology | 10: 89, 101 | 1978 |
| Neolyngbya regalis | F.W. Lefler, D.E. Berthold, & H.D. Laughinghouse in Laughinghouse et al. | Notulae algarum | 182: 1, description and illustration in Lefler et al., J. Phycol. 57: 101. 2020 | 2021 |
| Nostocopsis desmoides | L.M. Yin & Z.P. Li | Memoirs of Nanking Institute of Geology and Palaeontology | 10: 90, 101, pl. 8: fig. 15 | 1978 |
| Nostocopsis saprolithica | Mädler | Beihefte zum Geologischen Jahrbuch | 58: 312, pl. 15: fig. 1 | 1963 |
| PALAEOTAENIOPHORA | Molinari & Guiry | Notulae algarum | 183: 5 | 2021 |
| PALAEOUMBELLULA | Molinari & Guiry | Notulae algarum | 183: 5 | 2021 |
| PLACOMA | Schousboe ex Bornet & Thuret | Notes algologiques: | 1: 4 | 1876 |
| PLATYTHECA | F. Stein | Der Organismus der Infusionsthiere III | 1: pl. VI: fig. 15 | 1878 |
| PODOCAPSA | Ercegović | Acta Bot. Univ. Zagreb. | 6: 33 | 1931 |
| PSEUDORHOMBODINIUM | Torricelli | Rivista Italiana di Paleontologia e Stratigrafia | 116: 262 | 2010 |
| Palaeotaeniophora filamentosa | (Klement) Molinari & Guiry | Notulae algarum | 183: 5 | 2021 |
| Palaeotaeniophora iunctispina | (Klement) Molinari & Guiry | Notulae algarum | 183: 5 | 2021 |
| Palaeoumbellula minuta | (Korde) Molinari & Guiry | Notulae algarum | 183: 6 | 2021 |
| Placoma africana ('africanum') | Wille | Österr. Bot. Z. | 53: 90, figs. 1, 2 | 1903 |
| Placoma vesiculosa | Schousboe ex Bornet & Thuret | Notes algologiques: | 1: 5, pl. I: figs. 6-10 | 1876 |
| Placoma violacea | Setchell & N.L. Gardner in Gardner | University of California Publications in Botany | 6: 456 | 1918 |
| Placoma willei | N.L. Gardner | Memoirs of the New York Botanical Garden | 7: 29, pl. 6: fig. 54 | 1927 |
| Planothidium marganaiense ('marganaiensis') | G.G. Lai, L. Ector, & C. Wetzel in Lai et al. | Phytotaxa | 489: 143, figs. 2-57 | 2021 |
| Platytheca micropora | F. Stein | Der Organismus der Infusionsthiere III | 1: pl. VI: fig. 15 | 1878 |
| Podocapsa pedicellata | Ercegović | Acta Bot. Univ. Zagreb. | 6: 35, text-fig. 1 | 1931 |
| Pseudorhombodinium cinguloindentatum | Torricelli | Rivista Italiana di Paleontologia e Stratigrafia | 116: 262 | 2010 |
| Punctastriata catenata | C.E. Wetzel & L. Ector | Botany Letters | 168: 44, figs. 37-59a, 63, 65-77 | 2020 |
| Punctastriata subalpina | C.E. Wetzel & L. Ector | Botany Letters | 168: 44, figs. 1-22a, 25-33, 34a, 35a, 36a | 2020 |
| RACIBORSKIELLA | Wisłouch | Acta Societatis Botanica Polonicae | 2: 117, 128 | 1924 |
| RACIBORSKIELLACEAE | Korshikov | Volvocineae: | 41, 60 | 1938 |
| ROSEAPETRA | W.A. Nelson, B.A. Twist & K.F. Neill in W.A. Nelson et al. | Phytotaxa | 490: 35 | 2021 |
| Raciborskiella salina | Wisłouch | Acta Societatis Botanica Polonicae | 2: 117, 128, pl. III: fig. 9 | 1924 |
| Raciborskiella uroglenoidea | Svirenko | Archive für Protistenkunde | 55: 196, fig. B | 1926 |
| Roseapetra farriae | W.A. Nelson, B.A. Twist & K.F. Neill in W.A. Nelson et al. | Phytotaxa | 490: 35, figs. 2-12 | 2021 |
| SINONOSTOCOPSIS | Molinari & Guiry | Notulae algarum | 183: 6 | 2021 |
| STEPHANOSIRA | G. Karsten | Wiss. Ergeb. Deutsch. Tiefsee-Exped. 1898-1899 | 2{2}: 159 | 1906 |
| Sinonostocopsis desmoides | (L.M. Yin & Z.P. Li) Molinari & Guiry | Notulae algarum | 183: 6 | 2021 |
| Stephanosira decussata | G. Karsten | Wiss. Ergeb. Deutsch. Tiefsee-Exped. 1898-1899 | 2{2}: 159, pl. 26: fig. 3 | 1906 |
| Surirella aquastudia | (J.P. Kociolek & Q.M. You) J.P. Kociolek in Liu, Kociolek, & Ector | Botany Letters | 168: 39 | 2020 |
| Surirella dongtingensis | Bing Liu & Ector in Liu, Kociolek, & Ector | Botany Letters | 168: 35, figs. 1-27 | 2020 |
| Surirella xinjiangiana | (Q.M. You & J.P. Kociolek) J.P. Kociolek in Liu, Kociolek, & Ector | Botany Letters | 168: 39 | 2020 |
| Synedra acus subsp. ostenfeldii | (Willi Krieger) Skabichevskii | Fauny Flory SSSR Otdel Bot., N.S., Vyp. | 11: 253 | 1960 |
| Synedra acus var. ostenfeldii | Willi Krieger | Pflanzenforschung | 10: 36, pl. III: fig. 29 | 1927 |
| Synedra ostenfeldii | (Willi Krieger) A. Cleve ex Stålberg | Internationale Vereinigung für theoretische und angewandte Limnologie: Verhandlungen | 9: 194, 196, 197 | 1940 |
| Synedra rumpens var. meneghiniana | Grunow in Van Heurck | Syn. Diat. Belg.: | pl. XL: fig. 13 | 1881 |
| TAENIOPHORA | Klement | Palaeontographica Abteilung A | 114: 67 | 1960 |
| THUMIA | Cleve ex F.B. Taylor | Notes on Diatoms: | 228 | 1929 |
| TRICHOSPIRA | E.M. McNeill | Castanea | 13: 44 | 1948 |
| Tabularia massenana | D. Heudre, C.E. Wetzel, B. Van de Vijver, L. Moreau, & L. Ector | Botany Letters | 168: 77, figs. 147-156 | 2020 |
| Taeniophora iunctispina | Klement | Palaeontographica Abteilung A | 114: 68, 69, pl. 10: figs. 1-4 | 1960 |
| Taeniophora iunctispina subsp. filamentosa | Klement | Palaeontographica Abteilung A | 114: 70, pl. 10: figs. 5, 6 | 1960 |
| Taeniophora linifera | (Cookson & Eisenack) Eisenack | Neues Jahrb. Geol. u. Paläont. | 134: 112 | 1969 |
| Thumia elegans | Cleve ex F.B. Taylor | Notes on Diatoms: | 228 | 1929 |
| Thumia gutwinskii | (Pantocsek) D.M. Williams | Phytotaxa | 480: 160 | 2021 |
| Trichospira bula | E.M. McNeill | Castanea | 13: 44, fig. 3 | 1948 |
| UMBELLULA | Korde | Trudy Paleontologicheskogo Instituta Akademii Nauk SSSR | 139: 135 | 1973 |
| Umbellula minuta | Korde | Trudy Paleontologicheskogo Instituta Akademii Nauk SSSR | 139: 135 | 1973 |
| WISLOUCHIA | Molinari & Guiry | Notulae algarum | 183: 6 | 2021 |
| WISLOUCHIACEAE | Molinari & Guiry | Notulae algarum | 183: 6 | 2021 |
| Wislouchia salina | (Wisłouch) Molinari & Guiry | Notulae algarum | 183: 6 | 2021 |
| Wislouchia uroglenoidea | (Svirenko) Molinari & Guiry | Notulae algarum | 183: 6 | 2021 |