| Name | Author | Source | Citation | Year |
|---|
| Cryptomonas vietnamica | E. Gusev, Y. Podunay, N. Martynenko, N. Shkurina, & M. Kulikovskiy | Fottea | 20: 139, figs. 1-7 | 2020 |
| Gomphonema adhikaryi ('adhikarii') | C. Radhakrishnan, Sudipta K. Das, J.P. Kociolek & B. Karthick in Radhakrishnan et al. | Fottea | 20: 130, figs. 2-35 | 2020 |
| Johannesbaptistia floridana | D.E. Berthold H.D. Laughinghouse in Berthold et al. | Fottea | 20: 153, figs. 1-3, suppl. fig. 1 | 2020 |
| MAJEWSKAEA | B. Van de Vijver, K. Robert, A. Witkowski, & S. Bosak | Fottea | 20: 113 | 2020 |
| Majewskaea istriaca | B. Van de Vijver, K. Robert, A. Witkowski, & S. Bosak | Fottea | 20: 114, figs. 1-51 | 2020 |
| Navicula australasiatica | Y. Li & D. Metzeltin in Li et al. | Fottea | 20: 122, figs. 1-8 | 2020 |
| Navicula perangustissima | Y. Li & D. Metzeltin in Li et al. | Fottea | 20: 122, figs. 9-24 | 2020 |
| Navicula turriformis | Y. Li & D. Metzeltin in Li et al. | Fottea | 20: 123, figs. 25-40 | 2020 |
| Nupela indonesica | M.S. Kulikovskiy, Y.I. Maltsev, A.M. Glushchenko & J.P. Kociolek in Kulikovskiy et al. | Fottea | 20: 194, figs. 1-41 | 2020 |
| Oculatella dilativagina | I. Becerra-Absalón & J.R. Johansen in Becerra-Absalón et al. | Fottea | 20: 164, fig. 6a-d | 2020 |
| Oculatella leonae ('leona') | I. Becerra-Absalón & J.R. Johansen in Becerra-Absalón et al. | Fottea | 20: 165, fig. 6e-g | 2020 |
| PURPUREONOSTOC | F.F. Cai & R.H. Li | Fottea | 20: 111 | 2020 |
| Psammodictyon taihuense ('taihuensis') | Q. Yang, Q.-M. You & Q.-X. Wang in Yang et al. | Fottea | 20: 145, figs. 2-23 | 2020 |
| Purpureonostoc tibeticum ('tibetica') | F.F. Cai & R.H. Li | Fottea | 20: 111, desc. in Cai et al. (Fottea 20: 86. 2020) | 2020 |
| Sellaphora yunnanensis | Y. Li & D. Metzeltin in Li, Metzeltin & Gong | Chinese J. Oceanol. Limnol. | 28: 1160, figs. 1-10 | 2010 |