Acanthuriformes is an order of ray-finned fishes, part of the Percomorpha clade. Some authorities place the fishes in the order within the Acanthuriformes in the suborders Acanthuroidea and Percoidea of the order Perciformes.
The Acanthuriformes as defined in the 5th edition of Fishes of the World is set out as follows: [2][3]
Other authorities do not include the Scianoidei within the Acanthuriformes and place the two families included in that suborder as incertae sedis in the Eupercaria.[4]
Acanthuriformes is an order of ray-finned fishes, part of the Percomorpha clade. Some authorities place the fishes in the order within the Acanthuriformes in the suborders Acanthuroidea and Percoidea of the order Perciformes.
