| china | jiangxi | protoceratium reticulatum | species | 2 | 0 |
| china | zhejiang | protoceratium reticulatum | species | 4 | 0 |
| france | | protoceratium reticulatum | species | 2 | 0 |
| germany | schleswig-holstein | protoceratium reticulatum | species | 1 | 0 |
| greenland | | protoceratium reticulatum | species | 8 | 0 |
| italy | marche region | protoceratium reticulatum | species | 47 | 0 |
| japan | | protoceratium reticulatum | species | 2 | 0 |
| mexico | | protoceratium reticulatum | species | 2 | 0 |
| south africa | | protoceratium reticulatum | species | 2 | 0 |
| spain | | protoceratium reticulatum | species | 1 | 0 |
| united states | california | protoceratium reticulatum | species | 2 | 0 |
| united states | florida | protoceratium reticulatum | species | 6 | 0 |
| united states | washington | protoceratium reticulatum | species | 3 | 0 |
| united states | wisconsin | protoceratium reticulatum | species | 3 | 0 |