| bahamas | | amphidinium carterae | species | 4 | 0 |
| bahamas | | amphidinium gibbosum | species | 3 | 0 |
| brazil | pernambuco | amphidinium operculatum | species | 1 | 0 |
| china | | amphidinium operculatum | species | 1 | 0 |
| china | | amphidinium sp. | species | 1 | 0 |
| china | hainan | amphidinium carterae | species | 2 | 0 |
| cook islands | | amphidinium massartii | species | 1 | 0 |
| cook islands | | amphidinium thermaeum | species | 1 | 0 |
| cuba | | amphidinium massartii | species | 1 | 0 |
| france | basse-normandie region | amphidinium carterae | species | 1 | 0 |
| hong kong | | amphidinium carterae | species | 3 | 0 |
| iran | | amphidinium carterae | species | 3 | 0 |
| ireland | | amphidinium carterae | species | 1 | 0 |
| israel | | amphidinium eilatiensis | species | 1 | 0 |
| israel | | amphidinium sp. acoela18s1-1 | species | 1 | 0 |
| israel | | amphidinium sp. acoela18s3-9 | species | 1 | 0 |
| israel | southern district | amphidinium eilatiensis | species | 2 | 0 |
| japan | | amphidinium sp. | species | 1 | 0 |
| japan | hokkaido prefecture | nusuttodinium poecilochroum | species | 12 | 0 |
| japan | ishikawa prefecture | nusuttodinium poecilochroum | species | 4 | 0 |
| japan | kagoshima prefecture | amphidinium gibbosum | species | 1 | 0 |
| japan | okinawa prefecture | amphidinium cupulatisquama | species | 1 | 0 |
| japan | okinawa prefecture | amphidinium operculatum | species | 1 | 0 |
| japan | okinawa prefecture | amphidinium sp. hg114 | species | 1 | 0 |
| japan | okinawa prefecture | amphidinium sp. hg115 | species | 1 | 0 |
| japan | wakayama prefecture | nusuttodinium poecilochroum | species | 3 | 0 |
| kuwait | | amphidinium carterae | species | 2 | 0 |
| kuwait | | amphidinium massartii | species | 1 | 0 |
| kuwait | | amphidinium trulla | species | 1 | 0 |
| mexico | | amphidinium carterae | species | 1 | 0 |
| mexico | | amphidinium massartii | species | 1 | 0 |
| mexico | | amphidinium operculatum | species | 1 | 0 |
| new zealand | | amphidinium carterae | species | 1 | 0 |
| new zealand | | amphidinium cf. massartii cawd222 | species | 1 | 0 |
| puerto rico | | amphidinium carterae | species | 1 | 0 |
| qatar | | amphidinium sp. | species | 4 | 0 |
| south korea | | amphidinium carterae | species | 1 | 0 |
| south korea | | amphidinium massartii | species | 3 | 0 |
| south korea | | amphidinium operculatum | species | 2 | 0 |
| spain | | amphidinium carterae | species | 1 | 0 |
| tunisia | | amphidinium carterae | species | 2 | 0 |
| united kingdom | england | amphidinium carterae | species | 1 | 0 |
| united kingdom | england | amphidinium operculatum | species | 6 | 0 |
| united kingdom | england | amphidinium sp. ccap1102/4 | species | 1 | 0 |
| united states | florida | amphidinium thermaeum | species | 1 | 0 |
| united states | massachusetts | amphidinium carterae | species | 1 | 0 |