Naamgeving
| Valid name | Cephalochordata |
| Synonym | Leptocardi Bonaparte, 1956 |
| Synonym | Acrania Bleeker, 1859 |
| Synonym | Acrania | Bleeker, 1859 |
| Synonym | Leptocardi | Bonaparte, 1956 |
Indeling
-
Chordata
[phylum]
- Cephalochordata [subphylum]