Found 2 items, similar to Crossopterygian.
English → English (WordNet) Definition: crossopterygian crossopterygian n : any fish of the order Crossopterygii; most known only in fossil form [syn: lobefin, lobe-finned fish]
English → English (gcide) Definition: Crossopterygian Crossopterygian \Cros*sop`ter*yg"i*an\ (kr?s-s?p`t?r-?j?-an), a. (Zo["o]l.) Of or pertaining to the Crossopterygii. -- n. One of the Crossopterygii. [1913 Webster] ||