| australia | tasmania | cochlodinium cf. geminatum | species | 1 | 0 |
| australia | tasmania | cochlodinium cf. helix | species | 1 | 0 |
| canada | | cochlodinium fulvescens | species | 2 | 0 |
| china | | cochlodinium fulvescens | species | 1 | 0 |
| china | shandong | cochlodinium fulvescens | species | 1 | 0 |
| china | shandong | cochlodinium polykrikoides | species | 1 | 0 |
| indonesia | lampung province | cochlodinium fulvescens | species | 1 | 0 |
| japan | | cochlodinium polykrikoides | species | 4 | 0 |
| japan | nagasaki prefecture | cochlodinium fulvescens | species | 2 | 0 |
| japan | nagasaki prefecture | cochlodinium polykrikoides | species | 6 | 0 |
| japan | oita prefecture | cochlodinium polykrikoides | species | 2 | 0 |
| japan | yamaguchi prefecture | cochlodinium polykrikoides | species | 1 | 0 |
| malaysia | sabah | cochlodinium polykrikoides | species | 2 | 0 |
| mexico | | cochlodinium polykrikoides | species | 5 | 0 |
| mexico | baja california sur | cochlodinium polykrikoides | species | 0 | 1 |
| mexico | jalisco | cochlodinium polykrikoides | species | 0 | 1 |
| mexico | sinaloa | cochlodinium polykrikoides | species | 0 | 1 |
| puerto rico | | cochlodinium polykrikoides | species | 1 | 0 |
| south korea | | cochlodinium polykrikoides | species | 29 | 0 |
| south korea | south jeolla province | cochlodinium polykrikoides | species | 19 | 0 |
| spain | catalonia | cochlodinium cf. convolutum | species | 1 | 0 |
| spain | catalonia | cochlodinium polykrikoides | species | 7 | 0 |
| spain | catalonia | cochlodinium sp. 1 ar-2013 | species | 1 | 0 |
| united arab emirates | | cochlodinium polykrikoides | species | 1 | 0 |
| united states | | cochlodinium polykrikoides | species | 3 | 0 |
| united states | california | cochlodinium fulvescens | species | 1 | 0 |
| united states | maine | cochlodinium polykrikoides | species | 2 | 0 |