| Name | Author | Source | Citation | Year |
|---|
| Caulerpa coppejansii | G. Belton & Prud'homme in Belton et al. | Phycologia | 58: 241, figs. 7-9 | 2019 |
| Caulerpa crispata | (Harvey) G. Belton & Gurgel in Belton et al. | Phycologia | 58: 243 | 2019 |
| Caulerpa lucasii | Prud'homme, Draisma & G. Belton in Belton et al. | Phycologia | 58: 244 | 2019 |
| Caulerpa perplexa | J. Huisman, G. Belton, Draisma, Gurgel & Prud'homme in Belton et al. | Phycologia | 58: 244, fig. 24 | 2019 |
| Dictyota korowai | W.A. Nelson, J.E. Sutherland, & Nga\*_ti Kuri in Nelson et al. | Phycologia | 58: 436, figs. 3, 5-19 | 2019 |
| Eudesme borealis | H. Kawai, T. Hanyuda & A.F. Peters in Kawai et al. | Phycologia | 58: 354, figs. 3-9 | 2019 |
| Gelidium adriaticum | C. Perrone, A. Bottalico, G.H. Boo & S.M. Boo in Perrone et al. | Phycologia | 58: 361, figs. 2-13 | 2019 |
| Gelidium carolinianum | C. Perrone, D.W. Freshwater, A. Bottalico, G.H. Boo & S.M. Boo in Perrone et al. | Phycologia | 58: 362, figs. 14-27 | 2019 |
| HALYDICTYEAE | P. Díaz-Tapia & C. Maggs in Díaz-Tapia et al. | Molecular Phylogenetics and Evolution | 137: 83 | 2019 |
| INKYULEEALES | P. Díaz-Tapia & C. Maggs in Díaz-Tapia et al. | Molecular Phylogenetics and Evolution | 137: 83 | 2019 |
| Mallomonas cuspis | M. Jeong, J.I. Kim, B.Y. Jo, H.S. Kim, P.A. Siver & W. Shin | Phycologia | 58: 281, figs. 2-4, 8-13 | 2019 |
| Mallomonas marina | M. Jeong, J.I. Kim, B.Y. Jo, H.S. Kim, P. A. Siver & W. Shin | Phycologia | 58: 282, figs. 5-7, 14-21 | 2019 |
| Neopolyporolithon arcticum | (Kjellman) P.W. Gabrielson, S.C. Lindstrom & J. Hughey | Phycologia | 58: 231 | 2019 |
| Nesoia mediterranea | C. Rodríguez-Prieto, S.-M. Lin, De Clerck & J. Huisman in Rodríguez-Prieto et al. | Phycologia | 58: 394, figs. 2-23 | 2019 |
| PLACENTOPHORACEAE | Rodríguez-Prieto, G. Sartoni, S.-M. Lin & Hommersand ex R.V. Dumilag, W.A. Nelson & G.T. Kraft | Phycologia | 58: 271 | 2019 |
| Scrippsiella masanensis | S.Y. Lee, H.J. Jeong, S.J. Kim, K.H. Lee & S.H. Jan | Phycologia | 58: 289, figs. 1-25 | 2019 |