Order
Palaeonisciformes Hay, 1902
List of species
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Infraphylum | Gnathostomata |
| Superclass | Osteichthyes |
| Class | Actinopterygii |
| Superorder | Palaeoniscimorpha |
| Order | Andreolepidiformes |
| Cheirolepidiformes | |
| Palaeonisciformes | |
| Family | Stegotrachelidae |