| Synonym/Old Name | New Name | Taxonomy Group | ||
|---|---|---|---|---|
 | Arthrospira platensis | Limnospira platensis | Cyanobacteria | more info |
 | Ascophylla laevigata | Ascophyllum nodosum | Phaeophyceae | more info |
 | Ascophylla tuberculatum | Bifurcaria bifurcata | Phaeophyceae | more info |
 | Asperococcus clathratus | Hydroclathrus clathratus | Phaeophyceae | more info |
 | Asperococcus rugosus | Splachnidium rugosum | Phaeophyceae | more info |
 | Astasia longa | Euglena longa | Euglenophyta | more info |
 | Audouinella floridula | Rhodothamniella floridula | Rhodophyta | more info |
 | Betaphycus gelatinum | Betaphycus gelatinus | Rhodophyta | more info |
 | Boergeseniella fruticulosa | Vertebrata fruticulosa | Rhodophyta | more info |
 | Boergeseniella thuyoides | Vertebrata thuyoides | Rhodophyta | more info |
 | Brassicophycus brassiciformis | Brassicophycus sisymbrioides | Phaeophyceae | more info |
 | Brongniartella byssoides | Vertebrata byssoides | Rhodophyta | more info |
 | Bryopsis pachynema | Valoniopsis pachynema | Chlorophyta | more info |
 | Bryothamnion triquetrum | Alsidium triquetrum | Rhodophyta | more info |
 | Calliblepharis lanceolata | Calliblepharis jubata | Rhodophyta | more info |
 | Callophyllis laciniata | Metacallophyllis laciniata | Rhodophyta | more info |
 | Carpacanthus cinctus | Sargassum cinctum | Phaeophyceae | more info |
 | Carpacanthus oligocystus | Sargassum oligocystum | Phaeophyceae | more info |
 | Carpopeltis formosana | Yonagunia formosana | Rhodophyta | more info |
 | Caulacanthus divaricatus | Caulacanthus ustulatus | Rhodophyta | more info |
Credits to Prof Leonel Pereira
