Noun: lobe-finned fish
- Any fish of the order Crossopterygii; most known only in fossil form
"The coelacanth is a living example of a lobe-finned fish";
- crossopterygian, lobefin
Derived forms: lobe-finned fish
Type of: bony fish
Part of: Crossopterygii, subclass Crossopterygii
Encyclopedia: Lobe-finned fish