| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Gambierdiscus australes | 0 | 1 | 0 |
| Gambierdiscus belizeanus | 0 | 1 | 0 |
| Gambierdiscus pacificus | 0 | 1 | 0 |
| Gambierdiscus polynesiensis | 0 | 1 | 0 |
| Gambierdiscus toxicus | 0 | 14 | 0 |
| Goniodomataceae | 2 | 7 | 0 |
| Gonyaulacaceae | 2 | 8 | 0 |
| Gonyaulacales | 3 | 29 | 0 |
| Gonyaulax Diesing 1866 | 1 | 1 | 0 |
| Gonyaulax polygramma | 0 | 10 | 0 |
| Gymnodiniaceae | 3 | 7 | 0 |
| Gymnodiniales | 1 | 7 | 0 |
| Gymnodinium Stein 1878 | 6 | 6 | 0 |
| Gymnodinium breve | 0 | 10 | 0 |
| Gymnodinium catenatum | 0 | 10 | 0 |
