| Synonym/Old Name | New Name | Taxonomy Group | ||
|---|---|---|---|---|
 | Caulerpa cactoides var. gracilis | Caulerpa cactoides | Chlorophyta | more info |
 | Caulerpa chemnitzia | more info | ||
 | Caulerpa feldmannii | Caulerpa racemosa | Chlorophyta | more info |
 | Caulerpa harveyi | Caulerpa longifolia | Chlorophyta | more info |
 | Caulerpa longistipitata | Caulerpa lentillifera | Chlorophyta | more info |
 | Caulerpa obscura f. sonderi | Caulerpa obscura | Chlorophyta | more info |
| Caulerpa occidentalis | Caulerpa chemnitzia | Chlorophyta | more info |
 | Caulerpa ollivieri | Caulerpa prolifera | Chlorophyta | more info |
 | Caulerpa racemosa f. microphysa | Caulerpa microphysa | Chlorophyta | more info |
 | Caulerpa racemosa var. corynephora | Caulerpa corynephora | Chlorophyta | more info |
 | Caulerpa racemosa var. macrodisca | Caulerpa macrodisca | Chlorophyta | more info |
 | Caulerpa selago var. brownii | Caulerpa brownii | Chlorophyta | more info |
 | Ceramium boydenii | Campylaephora boydenii | Rhodophyta | more info |
 | Ceramium clavulatum | Centroceras clavulatum | Rhodophyta | more info |
 | Ceratoneis closterium | Cylindrotheca closterium | Bacillariophyceae | more info |
 | Chaetomorpha aerea f. linum | Chaetomorpha linum | Chlorophyta | more info |
 | Chaetomorpha crassa | Chaetomorpha area | Chlorophyta | more info |
 | Champia intricata | Champia parvula | Rhodophyta | more info |
 | Cheilosporum sagittatum | Jania sagittata | Rhodophyta | more info |
 | Chlamydomonas mexicana | Chlamydomonas oblonga | Chlorophyta | more info |
Credits to Prof Leonel Pereira
