| Name | Author | Source | Citation | Year |
|---|---|---|---|---|
| ACANTHOSIPHONIA | A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 9 | 2018 |
| Acanthosiphonia echinata | (Harvey) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 9 | 2018 |
| Carradoriella denudata | (Dillwyn) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 10 | 2018 |
| Carradoriella elongata | (Hudson) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 10 | 2018 |
| Carradoriella elongella | (Harvey) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 11 | 2018 |
| Conferva fibrata | Dillwyn | Conf. Syn.: | 84, suppl. pl. G | 1809 |
| Conferva fibrillosa | Dillwyn | Conf. Syn.: | 86, suppl. pl. G | 1809 |
| EUTRICHOSIPHONIA | A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 11 | 2018 |
| Eutrichosiphonia confusa | (Hollenberg) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 11 | 2018 |
| Eutrichosiphonia sabulosa ('sabulosia') | (B. Kim & M.S. Kim) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 11 | 2018 |
| Hutchinsia fibrillosa | C. Agardh | Syn.: | xxvi, 57 | 1817 |
| KAPRAUNIA | A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 11 | 2018 |
| Kapraunia amplacapilli | (B. Kim & M.S. Kim) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 12 | 2018 |
| Kapraunia morroides | (B. Kim & M.S. Kim) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 12 | 2018 |
| Kapraunia pentamera | (Hollenberg) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 12 | 2018 |
| Kapraunia schneideri | (B. Stuercke & D.W. Freshwater) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 12 | 2018 |
| Leptosiphonia brodiei | (Dillwyn) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 12 | 2018 |
| Leptosiphonia fibrata | (Dillwyn) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 13 | 2018 |
| Leptosiphonia fibrillosa | (C. Agardh) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 13 | 2018 |
| Leptosiphonia flexicaulis | (Harvey) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 13 | 2018 |
| Melanothamnus akkeshiensis | (Segi) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 13 | 2018 |
| Polysiphonia akkeshiensis | Segi | J. Fac. Fish. Pref. Univ. Mie | 1: 232, pl. 9: 1-3; text-figs. 23, 24 | 1951 |
| Polysiphonia determinata | (Hollenberg) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 13 | 2018 |
| Polysiphonia fibrillosa | (C. Agardh) Sprengel | Syst. veg. | 4{1}: 349 | 1827 |
| Polysiphonia muelleriana | J. Agardh | Öfvers. K. [Svenska] Vet.-Akad. Förh. | 27: 455, no fig. | 1870 |
| Polysiphonia violacea var. flexicaulis | Harvey | Ner. bor.-amer. | 2: 44 | 1853 |
| Streblocladia muelleriana | (J. Agardh) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 13 | 2018 |
| Vertebrata hendryi | (N.L. Gardner) A.M. Savoie & G.W. Saunders | Europ. J. Phycol. | 54: 14 | 2018 |