Search Result for "crossopterygii": 
Wordnet 3.0

NOUN (1)

1. fishes having paired fins resembling limbs and regarded as ancestral to amphibians;
[syn: Crossopterygii, subclass Crossopterygii]


The Collaborative International Dictionary of English v.0.48:

Crossopterygii \Cros*sop`te*ryg"i*i\ (kr?s-s?p`t?-r?j?-?), n. pl. [NL., fr. Gr. ??? tassels, a fringe + ?????, dim. of ???? wing, fin.] (Zool.) An order of ganoid fishes including among living species the bichir (Polypterus). See Brachioganoidei. [1913 Webster]
WordNet (r) 3.0 (2006):

Crossopterygii n 1: fishes having paired fins resembling limbs and regarded as ancestral to amphibians [syn: Crossopterygii, subclass Crossopterygii]