Naamgeving
| Valid name | Acrotretida |
| Synonym | Daikaulia Waagen, 1885 |
| Synonym | Neotremata Beecher, 1891 |
| Synonym | Acrotretacea Kuhn, 1949 |
| Synonym | Gasteropegmata Waagen, 1885 |
Indeling
-
Brachiopoda
[phylum]
-
Inarticulata
[class]
- Acrotretida [order]
-
Inarticulata
[class]