| china | inner mongolia | chattonella marina | species | 2 | 0 |
| china | inner mongolia | chattonella marina var. ovata | varietas | 2 | 0 |
| hong kong | | chattonella marina | species | 2 | 0 |
| hong kong | | chattonella marina var. ovata | varietas | 2 | 0 |
| indonesia | | chattonella marina var. marina | varietas | 5 | 0 |
| indonesia | lampung province | chattonella marina | species | 4 | 0 |
| iran | | chattonella cf. subsalsa | species | 2 | 0 |
| italy | | chattonella subsalsa | species | 5 | 0 |
| italy | abruzzo region | chattonella cf. subsalsa | species | 45 | 0 |
| italy | sardinia autonomous region | chattonella subsalsa | species | 2 | 0 |
| japan | | chattonella cf. ovata | species | 1 | 0 |
| japan | | chattonella marina | species | 6 | 0 |
| japan | | chattonella marina var. antiqua | varietas | 12 | 0 |
| japan | | chattonella marina var. marina | varietas | 1 | 0 |
| japan | | chattonella marina var. ovata | varietas | 17 | 0 |
| japan | | chattonella sp. ccmp218 | species | 3 | 0 |
| japan | | chattonella subsalsa | species | 2 | 0 |
| japan | aichi prefecture | chattonella marina | species | 5 | 0 |
| japan | aichi prefecture | chattonella marina var. antiqua | varietas | 2 | 0 |
| japan | aomori prefecture | chattonella marina | species | 17 | 0 |
| japan | chiba prefecture | chattonella marina | species | 13 | 0 |
| japan | fukuoka prefecture | chattonella marina var. antiqua | varietas | 6 | 0 |
| japan | hiroshima prefecture | chattonella marina var. antiqua | varietas | 4 | 0 |
| japan | hiroshima prefecture | chattonella marina var. ovata | varietas | 2 | 0 |
| japan | kagoshima prefecture | chattonella marina | species | 4 | 0 |
| japan | kagoshima prefecture | chattonella marina var. marina | varietas | 5 | 0 |
| japan | nagasaki prefecture | chattonella marina | species | 2 | 0 |
| japan | osaka prefecture | chattonella marina | species | 3 | 0 |
| japan | osaka prefecture | chattonella marina var. antiqua | varietas | 6 | 0 |
| malaysia | kelantan | chattonella marina | species | 2 | 0 |
| malaysia | sarawak | chattonella marina | species | 3 | 0 |
| new zealand | wellington | chattonella marina var. antiqua | varietas | 1 | 0 |
| russia | primorsky krai | chattonella marina | species | 2 | 0 |
| singapore | | chattonella subsalsa | species | 3 | 0 |
| tunisia | | chattonella subsalsa | species | 2 | 0 |
| united states | | chattonella subsalsa | species | 3 | 0 |
| united states | california | chattonella subsalsa | species | 8 | 0 |
| united states | delaware | chattonella subsalsa | species | 9 | 0 |
| united states | florida | chattonella subsalsa | species | 6 | 0 |
| united states | kansas | chattonella subsalsa | species | 3 | 0 |
| united states | maryland | chattonella marina | species | 3 | 0 |
| united states | massachusetts | chattonella subsalsa | species | 2 | 0 |
| united states | north carolina | chattonella marina | species | 3 | 0 |
| united states | north carolina | chattonella subsalsa | species | 13 | 0 |
| united states | texas | chattonella marina | species | 1 | 0 |
| united states | texas | chattonella subsalsa | species | 7 | 0 |
| united states | wisconsin | chattonella subsalsa | species | 3 | 0 |