| Melanothamnus tongatensis (Harvey ex Kütz.) Díaz-Tapia & Maggs, 2017 |
| Micropeuce J. Agardh, 1899 |
| Micropeuce feredayae (Harv.) Kylin ex P.C. Silva, 1996 |
| Micropeuce mucronata (Harv.) Kylin ex Oliveira, 1977 |
| Micropeuce sarcocaulon (Harvey) Kylin ex P.C. Silva, 1996 |
| Murrayella F. Schmitz, 1893 |
| Murrayella periclados (C. Agardh) F. Schmitz, 1893 |
| Murrayellopsis E. Post, 1963 |
| Murrayellopsis dawsonii E. Post, 1963 |
| Neochondria Sutti, M. Tani, Y. Yamaguishi, T. Abe & Kogame, 2018 |
| Neochondria nidifica (Harvey) S. Sutti, T. Abe, K.A. Miller & K. Kogame, 2018 |
| Neorhodomela Masuda, 1982 |
| Neorhodomela larix (Turner) Masuda, 1982 |
| Neosiphonia M. Kim & Lee, 1999 |
| Neosiphonia bajacali (Hollenberg) N.R. Mamoozadeh & D.W. Freshwater, 2011 |
| Neosiphonia eastwoodiae (Setch. & N.L. Gardner) S. Xiang, 2004 |
| Neosiphonia echinata (Harv.) N.R. Mamoozadeh & D.W. Freshwater, 2011 |
| Neosiphonia ferulacea (Suhr ex J. Agardh) Guimaraes & Fujii, 2004 |
| Neosiphonia flaccidissima (Hollenberg) M. Kim & Lee, 1999 |
| Neosiphonia gorgoniae (Harv.) Guimaraes & Fujii, 2004 |