| Name | Author | Source | Citation | Year |
|---|
| GEITLERIACEAE | C. Kilgore & J.R. Johansen in Kilgore et al. | Fottea | 18: 159 | 2018 |
| Geitleria appalachiana | C. Kilgore & J.R. Johansen in Kilgore et al. | Fottea | 18: 159, figs. 10-18 | 2018 |
| KLISINEMA | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 145 | 2018 |
| Klisinema persicum | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 145, fig. 4A,B | 2018 |
| LASPINEMA | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 144 | 2018 |
| Laspinema etoshii | (P. Dadheech, D.A. Casamatta, P. Casper & L. Krienitz) F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 145 | 2018 |
| Laspinema lumbricale | (J.R. Johansen & D.A. Casamatta) F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 145 | 2018 |
| Laspinema thermale | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 144, figs. 3C-E | 2018 |
| Mastogloia wulffiae ('wulffii') | A. Al-Handal & C. Pennesi | Fottea | 18: 166, figs. 2-19 | 2018 |
| NEOFOLIA | S.-M. Lin, C. Rodríguez-Prieto, O. De Clerck & J.M. Huisman in Rodríguez-Prieto et al. | Eur. J. Phycol. | 53: 527 | 2018 |
| Navicula infirmitata | Giffen | Botanica Marina | 18: 83, pl. II: figs. 69-73 | 1975 |
| Neofolia rosea | C. Rodríguez-Prieto, S.-M. Lin, O. De Clerck & J.M. Huisman in Rodríguez-Prieto et al. | Eur. J. Phycol. | 53: 529, figs. 22-50 | 2018 |
| Nodosilinea radiophila | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 142, fig. 5C,D | 2018 |
| Nodosilinea ramsarensis | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 142, fig. 5F,G | 2018 |
| Olifantiella infirmitata | (Giffen) A. Witkowski & P. Snoeijs in Kaleli et al. | Fottea | 18: 215 | 2018 |
| Olifantiella seblae | A. Kaleli, M. Krzywda, A. Witkowski & C.N. Solak in Kaleli et al. | Fottea | 18: 215, figs. 2-19 | 2018 |
| PERSINEMA | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 146 | 2018 |
| Persinema komarekii | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 146, fig. 5A,B | 2018 |
| Pinnularia franconica | A. Mayer | Denkschriften der Bayerischen Botanischen Gesellschaft in Regensburg | 22: 131, pl. VI: fig. 5 | 1946 |
| Pinnularia kulikovskiyana | R.M. Gogorev | Novosti Sist. Nizsh. Rast. | 52: 544 | 2018 |
| Pinnularia neorabenhorstii | R.M. Gogorev | Novosti Sist. Nizsh. Rast. | 52: 544 | 2018 |
| Planktosphaeria hubeiensis | Q. Zhang, G.X. Liu & L.R. Song in Zhang et al. | Fottea | 18: 245, fig. 1A-E | 2018 |
| Planktothrix iranica | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 139, fig. 3A,B | 2018 |
| Planothidium australodelicatulum | B. Van de Vijver, C.E. Wetzel, & L. Ector | Fottea | 18: 206, figs. 47-71 | 2018 |
| Planothidium lilianeanum | B. Van de Vijver in Van de Vijver et al. | Fottea | 18: 203, figs. 29-46 | 2018 |
| Pyropia islae | R.V. Dumilag in Dumilag & Yap | Botanica Marina | 61: 474, figs. 10-14 | 2018 |
| Pyropia lunae | R.V. Dumilag in Dumilag & Yap | Botanica Marina | 61: 471, figs. 3-9 | 2018 |
| QUADRICOCCOPSIS | X. Liu, H. Zhu, H. Song, B. Liu, Q. Wang, G. Liu & Z. Hu | Fottea | 18: 197 | 2018 |
| Quadricoccopsis glomerata | X. Liu, H. Zhu, H. Song, B. Liu, Q. Wang, G. Liu & Z. Hu | Fottea | 18: 192, 198, fig. 2 | 2018 |
| Quadricoccopsis parva | X. Liu, H. Zhu, H. Song, B. Liu, Q. Wang, G. Liu & Z. Hu | Fottea | 18: 192, 198, fig. 2 | 2018 |
| Quadricoccopsis simplex | X. Liu, H. Zhu, H. Song, B. Liu, Q. Wang, G. Liu & Z. Hu | Fottea | 18: 191, 197, fig. 1, fig. 4A-C | 2018 |
| RAMSARIA | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 146 | 2018 |
| Ramsaria avicennae | F. Heidari & T. Hauer in Heidari et al. | Fottea | 18: 146, fig. 3F,G | 2018 |
| Rivularia halophila | S. Shalygin & N. Pietrasiak in Shalygin et al. | Eur. J. Phycol. | 53: 540, figs. 1-17 | 2018 |
| Stichosiphon subarcticus | S.V. Smirnova & R.N. Beljakova in Beljakova & Smirnova | Novosti Sist. Nizsh. Rast. | 52: 237, pl. I: fig. 2 | 2018 |