| NOUN | animal | crossopterygian, lobefin, lobe-finned fish | any fish of the order Crossopterygii |
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| Meaning | Any fish of the order Crossopterygii; most known only in fossil form. | |
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| Synonyms | lobefin, lobe-finned fish | |
| Member of | Crossopterygii, subclass Crossopterygii | fishes having paired fins resembling limbs and regarded as ancestral to amphibians |
| Narrower | coelacanth, Latimeria chalumnae | fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa |
| Broader | bony fish | Any fish of the class Osteichthyes |
| Spanish | crosopterigio, lobefin | |
| Catalan | crossopterigis, lobefin | |
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