| Synonym/Old Name | New Name | Taxonomy Group | ||
|---|---|---|---|---|
| Mimica arnoldii | Eucheuma arnoldii | more info | ||
| Monodus acuminata | Chlorella acuminata | Chlorophyta | more info | |
| Monodus subterranea | Monodopsis subterranea | Eustigmatophyceae | more info | |
| Monostroma kuroshiense | Gayralia kuroshiensis | Chlorophyta | more info | |
| Nannochloropsis gaditana | Microchloropsis gaditana | Eustigmatophyceae | more info | |
| Nannochloropsis salina | Microchloropsis salina | Eustigmatophyceae | more info | |
| Nemalion pulvinatum | Dermonema pulvinatum | Rhodophyta | more info | |
| Neoagardhiella baileyi | Agardhiella subulata | Rhodophyta | more info | |
| Neochloris cohaerens | Ettlia cohaerens | Chlorophyta | more info | |
| Neochloris oleoabundans | Ettlia oleoabundans | Chlorophyta | more info | |
| Neopyropia drachii | Pyropia drachii | Rhodophyta | more info | |
| Neosiphonia harveyi | Melanothamnus harveyi | Rhodophyta | more info | |
| Nereocystis priapus | Nereocystis luetkeana | Phaeophyceae | more info | |
| Nitophyllum ramosum | Cryptopleura ramosa | Rhodophyta | more info | |
| Nitzschia closterium | Cylindrotheca anicaes | Bacillariophyceae | more info | |
| Nitzschia elongata | Nitzschia sigmoidea | Bacillariophyceae | more info | |
| Nitzschia laevis | Nitzschia amabilis | Bacillariophyceae | more info | |
| Ochromonas danica | Chlorochromonas anica | Chrysophyceae | more info | |
| Ochromonas malhamensis | Poterioochromonas malhamensis | Chrysophyceae | more info | |
| Odonthalia kamtschatica | Odonthalia corymbifera | Rhodophyta | more info |
Credits to Prof Leonel Pereira