Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various bony fishes of the class Sarcopterygii, having paired fleshy rounded fins. The lobe-finned fishes first appeared in the Devonian Period and are extinct except for the coelacanths and lungfishes.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any fish of the order Crossopterygii; most known only in fossil form
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