Classification of Ahlberg 1991

Cl. Osteichthyes Huxley 1880 [bony fish]
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Cl. Actinopterygii Cope 1887 [ray-finned fish]
Subcl. Sarcopterygii Romer 1955 [lobe-finned fish]
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Infracl. Actinistia Cope 1870
Infracl. Rhipidistia Cope 1887
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Unr. Tetrapodomorpha Ahlberg 1991
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Unr. Tetrapoda Jaekel 1911 [tetrapod]
Invalid names: Onychodontia Jaekel 1911 [empty]