| Name | Author | Source | Citation | Year |
|---|
| CHROAKOLEMMA | I. Becerra-Absalón & J.R. Johansen in Becerra-Absalón et al. | Phytotaxa | 367: 204 | 2018 |
| Chroakolemma edaphicum ('edaphica') | (Elenkin) I. Becerra-Absalón & J.R. Johansen in Becerra-Absalón et al. | Phytotaxa | 367: 207 | 2018 |
| Chroakolemma opacum ('opaca') | I. Becerra-Absalón & J.R. Johansen in Becerra-Absalón et al. | Phytotaxa | 367: 204, fig. 1a-j | 2018 |
| Chroakolemma pellucidum ('pellucida') | I. Becerra-Absalón & J.R. Johansen in Becerra-Absalón et al. | Phytotaxa | 367: 204, fig. 1k-u | 2018 |
| Coccomyxa antarctica | Shunan Cao & Qiming Zhou in Cao et al. | PhytoKeys | 98: 111, figs. 1, 2 | 2018 |
| Desmonostoc danxiaense | F. Cai & R. Li in Cai et al. | Phytotaxa | 367: 237, fig. 1 | 2018 |
| Dissodinium lanceolatum ('lanceolata') | (Schröder) Matzenauer | Bot. Arch. | 35: 441 | 1933 |
| Gomphonema lacifrigidum | M. Kulikovskiy, J.P. Kociolek & C.N. Solak in Kociolek & Guiry | Notulae algarum | 74: 1 | 2018 |
| Gomphonema magniaqua | M. Kulikovskiy, J.P. Kociolek & C.N. Solak in Kociolek & Guiry | Notulae algarum | 74: 1 | 2018 |
| Halamphora primus | F.O. López-Fuerte & D.A. Siqueiros-Beltrones | Phytotaxa | 369: 288, figs. 2-11 | 2018 |
| Lyngbya regalis | E. Curren & S.C.Y. Leong | Phytotaxa | 367: 122, figs. 1-3 | 2018 |
| Watanabea borysthenica | T. Darienko & T. Pröschold | Notulae algarum | 73: 1, fig. 2 | 2018 |