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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Chondrostei - Neopterygii
Ordines inc. sedis: †Aeduelliformes - †Dorypteriformes - †Luganoiiformes - †Palaeonisciformes - †Phanerorhynchiformes - †Pholidopleuriformes - †Platysomiformes - †Ptycholepiformes - †Redfieldiiformes - †Saurichthyiformes

Familiae inc. sedis: †Aesopichthyidae - †Amblypteridae - †Coccolepidae - †Commentryidae - †Dwykiidae - †Haplolepidae - †Kentuckiidae - †Mimiidae - †Rhadinichthyidae - †Stegotrachelidae

Genera inc. sedis: †Australichthys – †Beagiascus – †Belichthys – †Canobius – †Cryphiolepis – †Cuneognathus – †Cyranorhis – †Frederichthys – †Guntherichthys – †Gyrolepidotus – †Holuropsis – †Holurus – †Kalops – †Limnomis – †Lineagruan – †Mesopoma – †Oxypteriscus – †Palaeoniscinotus – †Pseudogonatodus – †Pteronisculus – †Roslerichthys – †Senekichthys – †Sphaerolepis – †Spinofacia – †Watsonichthys – †Woodichthys

Actinopteri Cope, 1871

Cope, E.D. 1871. On the fossil reptiles and fishes of the Cretaceous rocks of Kansas: United States Geological Survey of Wyoming and portions of the Contiguous Territories (F.V. Hayden), 4th Annual Report, 385–242. Reference page.


Actinopteri – Taxon details on Encyclopedia of Life (EOL).
Actinopteri – Taxon details on Fossilworks.
Actinopteri – Taxon details on National Center for Biotechnology Information (NCBI).
Actinopteri – Taxon details on The Taxonomicon.
Actinopteri in the World Register of Marine Species

Actinopteri /æktɪˈnɒptəraɪ/ is the sister group of Cladistia in the class Actinopterygii (ray-finned fish).

Dating back to the Permian period, the Actinopteri comprise the Chondrostei (sturgeons and paddlefish) and the Neopterygii (bowfin, gars, and teleosts). In other words, the Actinopteri include all extant Actinopterygians, minus the Polypteridae (bichirs).

The following cladogram[1][2][3][4] summarizes the evolutionary relationships of extant Actinopteri. Divergence time for each clade in mya are based on:[5]

Actinopteri 400 mya

Acipenseriformes (sturgeons, paddlefish) Paddlefish (white background).jpg

Neopterygii 360 mya
Holostei 275 mya

Lepisosteiformes (gars, alligator gars) Alligator gar fish (white background).jpg


Amiiformes (bowfin) Amia calva (white background).jpg

Teleostei 310 mya Common carp (white background).jpg


Betancur-R (2016). "Phylogenetic Classification of Bony Fishes Version 4".
Nelson, Joseph, S. (2016). Fishes of the World. John Wiley & Sons, Inc. ISBN 9781118342336.
"Actinopterygii". Integrated Taxonomic Information System. Retrieved 3 April 2006.
R. Froese and D. Pauly, ed. (February 2006). "FishBase".
Thomas J. Near; et al. (2012). "Resolution of ray-finned fish phylogeny and timing of diversification". PNAS. 109 (34): 13698–13703. doi:10.1073/pnas.1206625109. PMC 3427055. PMID 22869754.

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