Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
subclass Crossopterygii | Yes | No | No | No |
crossopterygian | Yes | No | No | No |
subclass Crossopterygii (noun) | crossopterygian (noun) |
---|---|
fishes having paired fins resembling limbs and regarded as ancestral to amphibians | any fish of the order Crossopterygii; most known only in fossil form |