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Lobe-finned fishes
Scienteefic classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Sarcopterygii
Romer, 1955

The Sarcopterygii /ˌsɑrkɒptəˈrɪi./ or lobe-finned fish (frae Greek σαρξ sarx, flesh, an πτερυξ pteryx, fin) – sometimes considered synonymous wi Crossopterygii ("fringe-finned fish", frae Greek κροσσός krossos, fringe) – constitute a clade (tradeetionally a class or subclass) o the bony fish, tho a strict cladistic view includes the terrestrial vertebrates. The livin sarcopterygians are the coelacanths, lungfish, an the tetrapods.