| china | | branchiostoma belcheri | species | 6 | 0 |
| china | | branchiostoma belcheri tsingtauense | subspecies | 1 | 0 |
| china | | branchiostoma floridae | species | 5 | 0 |
| china | | branchiostoma japonicum | species | 9 | 0 |
| china | fujian | branchiostoma belcheri | species | 28 | 0 |
| china | shandong | branchiostoma belcheri | species | 23 | 0 |
| china | shandong | branchiostoma belcheri tsingtauense | subspecies | 4 | 0 |
| france | | branchiostoma lanceolatum | species | 3 | 0 |
| france | bretagne region | branchiostoma lanceolatum | species | 4 | 0 |
| france | provence-alpes-cote d'azur region | branchiostoma lanceolatum | species | 10 | 0 |
| germany | | branchiostoma lanceolatum | species | 1 | 0 |
| germany | schleswig-holstein | branchiostoma lanceolatum | species | 14 | 0 |
| italy | campania region | branchiostoma lanceolatum | species | 11 | 0 |
| japan | | branchiostoma belcheri | species | 4 | 0 |
| japan | | branchiostoma floridae | species | 1 | 0 |
| japan | | branchiostoma japonicum | species | 4 | 0 |
| japan | aichi prefecture | branchiostoma belcheri | species | 19 | 0 |
| japan | fukuoka prefecture | branchiostoma belcheri | species | 3 | 0 |
| japan | hyogo prefecture | branchiostoma belcheri | species | 22 | 0 |
| japan | kumamoto prefecture | branchiostoma belcheri | species | 19 | 0 |
| japan | kumamoto prefecture | branchiostoma japonicum | species | 8 | 0 |
| japan | mie prefecture | branchiostoma belcheri | species | 17 | 0 |
| sweden | | branchiostoma lanceolatum | species | 2 | 0 |
| thailand | | branchiostoma malayanum | species | 1 | 0 |
| turkey | | branchiostoma lanceolatum | species | 2 | 0 |
| united states | | branchiostoma floridae | species | 2 | 0 |
| united states | | branchiostoma lanceolatum | species | 1 | 0 |
| united states | florida | branchiostoma floridae | species | 75326 | 0 |
| united states | kansas | branchiostoma floridae | species | 34 | 0 |