Scombriformes, also known as Pelagia or Pelagiaria, is an order of ray-finned fish within the clade Percomorpha. It contains 287 extant species in 16 families, most of which were previously classified under the suborders Scombroidei and Stromateoidei of the order Perciformes.

The earliest known scombriform is the scombrid Landanichthys from the Middle Paleocene of Angola.

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