| Synonym/Old Name | New Name | Taxonomy Group | ||
|---|---|---|---|---|
 | Sargassum duplicatum | Sargassum ilicifolium | Phaeophyceae | more info |
 | Sargassum ilicifolium var. marginatum | Sargassum marginatum | Phaeophyceae | more info |
 | Sargassum kjellmanianum f. muticum | Sargassum muticum | Phaeophyceae | more info |
 | Sargassum mertensii | Sargassum fulvellum | Phaeophyceae | more info |
 | Sargassum myriocystum var. elegans | Sargassum polycystum | Phaeophyceae | more info |
 | Sargassum turbinatifolium | Sargassum ilicifolium | Phaeophyceae | more info |
 | Sargassum turbinatum var. ornatum | Turbinaria ornata | Phaeophyceae | more info |
 | Sargassum turneri | Sargassum confusum | Phaeophyceae | more info |
 | Scenedesmus acutus | Tetradesmus obliquus | Chlorophyta | more info |
 | Scenedesmus communis | Desmodesmus communis | Chlorophyta | more info |
 | Scenedesmus komarekii | Desmodesmus komarekii | Chlorophyta | more info |
 | Scenedesmus obliquus | Tetradesmus obliquus | Chlorophyta | more info |
 | Scenedesmus subspicatus | Desmodesmus subspicatus | Chlorophyta | more info |
 | Scytosiphon fascia | Petalonia fascia | Phaeophyceae | more info |
 | Solieria mollis | Antrocentrum molle | Rhodophyta | more info |
 | Solieria tenera | Solieria filiformis | Rhodophyta | more info |
 | Sphaerococcus domingensis | Gracilaria domingensis | Rhodophyta | more info |
 | Sphaerococcus griffithsiae | Gymnogongrus griffithsiae | Rhodophyta | more info |
 | Sphaerococcus obtusus | Laurencia obtusa | Rhodophyta | more info |
 | Sphaerococcus rigens | Chylocladia rigens | Rhodophyta | more info |
Credits to Prof Leonel Pereira
