(partly) after Lund, 2000

<==o Actinopterygii (viuhkaeväiset)
   |-- †Cheirolepidae [Cheirolepiformes:]
   |?- †Paramblypteridae [Paramblypteriformes]
   `--o Actinopteri
      |== †Stegotrachelidae [paraphyletic]
      |-- †Rhadinichthyidae sensu Poplin & Lund, 2000 and Lund, 2000
      `--+-- †Terrasiidae [Terrasiiformes sensu Lund, 2000]
         `==o Chondrostei (rustokillesuomuiset) [paraphyletic assemblage of basal actinopterygians no yet revisited]
            |?-o Acipenseriformes (sampikalat)
            |  |?- †Errolichthyidae [paraphyletic Chondrosteoidei]
            |  `--+-- †Chondrosteidae [paraphyletic Chondrosteoidei]
            |     `--o Acipenseroidei (nykysammet)
            |        |?- Polyodontidae (lapasammet, paddlefidhes)
            |        `-- Acipenseridae (sammet; surgeons)
            |?-+--o †Platysomoidei sensu Lund, 2000
            |  |  |-- †Chirodontidae [Amphicentridae]
            |  |  `--+-- †Bobastraniidae
            |  |     `-- †Platysomidae
            |  `--o Cladistia Cope, 1871 sensu Lund, 2000 (lapaeväiset; bichirs & reedfishes)
            |     |-- †Guildayichthyidae Lund, 2000 [Guildayichthyiformes Lund, 2000]
            |     `-- Polypteridae [Polypteriformes; Brachiopterygii] (niilinhauet; bichirs & reedfishes)
            `?- Neopterygii (uusviuhkaeväiset)

Reference(s):