| In | : | †Galeaspidiformes (Order) | |
Ref: J.S. Nelson, 2006: 34. [inferred] |
| Including | : | †Nanpanaspidiformes (Order) Liu, 1965 | |
Ref: R. van der Laan, 2018: 25. [inferred] |
| Including | : | †Qingmenaspidiformes (Order) Pan & Wang, 1981 | |
Ref: R. van der Laan, 2018: 25. [inferred] |