Cyclostomi (118 species: hagfish, lampreys) File:Petromyzon marinus Linnaeus 1758 Fig 106 (Matschie et al. 1909).svg
†Thelodonti, †Conodonta, †Anaspida File:Sphenonectris turnernae white background.jpg File:ConodontZICA.png File:Lasanius NT small.jpg
†Galeaspida File:A Galeaspid.jpg
†Osteostraci File:Cephalaspis Lyellii.jpg
†Placodermi File:Dunkleosteus terrelli 2024 reconstruction.jpg
†Acanthodii File:Diplacanthus reconstructed.jpg
(>1,100 species: sharks, rays, chimaeras) File:Notorynchus cepedianus (Broadnose sevengill shark).gif
(2 species: coelacanths)
Dipnoi (6 species: lungfish)
Tetrapoda (>38,000 terrestrial species, not considered fish)
(14 species: bichirs, reedfish)
(27 species: sturgeons, paddlefish)
Ginglymodi (7 species: gars, alligator gars)
Halecomorphi (2 species: bowfin, eyetail bowfin)
(>32,000 species)
.png){kind=small}
.svg){kind=link}
.gif){kind=link}