Notacanthiformes
| Notocanthiforms | ||||||||
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Halosauridae Notacanthidae |
Notocanthiformes is an order of ray-finned fishes, consisting of the families of spiny eels (Notacanthidae) and halosaurs (Halosauridae).
The order is of relatively recent vintage; Fishes of the World lists it as a suborder Notacanthoidei of Albuliformes. The notacanthiforms are much more eel-like than the albuliforms; for instance, the caudal fin has disappeared.