Ray-finned fish

[rey-find] /ˈreɪˌfɪnd/

any of various bony fishes of the subclass Actinopterygii, having strong slender rays, excluding the coelacanth and lungfish.
ray-finned fish
Any of various bony fishes belonging to the subclass Actinopterygii, having fins supported by thin bony rays. Ray-finned fish evolved in the early Devonian Period and include most species of fish today. Also called actinopterygian. Compare lobe-finned fish.


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