| Synonym/Old Name | New Name | Taxonomy Group | ||
|---|---|---|---|---|
 | Sphaerococcus salicorniaCorallopsis salicornia | Gracilaria salicornia | Rhodophyta | more info |
 | Sphaerococcus serra | Eucheuma serra | Rhodophyta | more info |
 | Spirulina fusiformis | Limnospira fusiformis | Cyanobacteria | more info |
 | Spirulina jenneri | Arthrospira jenneri | Cyanobacteria | more info |
 | Spirulina maxima | Limnospira maxima | Cyanobacteria | more info |
 | Stypocaulon scoparium | Halopteris scoparia | Phaeophyceae | more info |
 | Synechococcus bacillaris | Cyanobium bacillare | Cyanobacteria | more info |
 | Synechococcus bigranulatus | Thermostichus bigranulatus | Cyanobacteria | more info |
 | Syracosphaera roscoffensis | Chrysotila roscoffensis | Coccolithophyceae | more info |
 | Thysanocladia serrata | Callophycus serratus | Rhodophyta | more info |
 | Tinocladia crassa | Eudesme crassa | Phaeophyceae | more info |
 | Turbinaria vulgaris var. conoides | Turbinaria conoides | Phaeophyceae | more info |
 | Turbinaria vulgaris var. decurrens | Turbinaria decurrens | Phaeophyceae | more info |
 | Tylocarpus plicatus | Ahnfeltia plicata | Rhodophyta | more info |
 | UlvaClathrata (Chlorophyta) | more info | ||
 | Ulva fasciata | Ulva lactuca | Chlorophyta | more info |
 | Ulva glandiformis | Halosaccion glandiforme | Rhodophyta | more info |
 | Ulva lactuca var. rigida | Ulva rigida | Chlorophyta | more info |
 | Ulva oxysperma,Monostroma oxyspermum | Gayralia oxysperma | Chlorophyta | more info |
 | Ulva splendens | Ulvaria splendens | Chlorophyta | more info |
Credits to Prof Leonel Pereira
