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lobe-finned fish

DEFINITIONS OF: lobe-finned fish

1

n any fish of the order Crossopterygii; most known only in fossil form

Synonyms:
crossopterygian, lobefin
Types:
Latimeria chalumnae, coelacanth
fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa
Type of:
bony fish
any fish of the class Osteichthyes
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