| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Amphioxus belcheri japonica | 685605 | Willey, 1897 | | ITIS | invalid | junior synonym of Branchiostoma belcheri belcheri | Subspecies |
| Branchiostoma belcheri belcheri | 685604 | (Gray, 1847) | | ITIS | valid | | Subspecies |
| Branchiostoma belcheri tsingtauense | 685606 | Tchang-Si and Kwang-Chung Koo, 1936 | | ITIS | valid | | Subspecies |
