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Istiophoriformes is an order of bony fish which is not recognised by some authorities while others include the two extant billfish families, Xiphiidae and Istiophoridae,[1] and others include the barracudas, the family Sphyraenidae.[2]

Histoire naturelle des poissons (10438720485).jpg
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Clade: Percomorpha
Order: Istiophoriformes
Betancur-R et al., 2013

see text


The following families are classified under the Istiophoriformes, three are extant and three are extinct:[2][3]

† = extinct


  1. ^ "Istiophoriformes". Encyclopedia of Life. Retrieved 10 May 2018.
  2. ^ a b Nelson, JS; Grande, TC & Wilson, MVH (2016). "Classification of fishes from Fishes of the World 5th Edition" (PDF). Retrieved 10 May 2018.
  3. ^ Santini, F.; Sorenson, L. (2013). "First molecular timetree of billfishes (Istiophoriformes: Acanthomorpha) shows a Late Miocene radiation of marlins and allies". Italian Journal of Zoology. 80 (4): 481–489. doi:10.1080/11250003.2013.848945.