subclass Crossopterygii

Từ điển WordNet v3.1 - WordNet Dictionary

noun

fishes having paired fins resembling limbs and regarded as ancestral to amphibians
• Syn:
Crossopterygii
• Hypernyms:
class
• Member Holonyms:
Osteichthyes, class Osteichthyes
• Member Meronyms:
crossopterygian, lobefin, lobe-finned fish, Latimeridae, family Latimeridae