noun
bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii
• Syn: ↑Dipnoi
• Hypernyms: ↑class
• Member Holonyms: ↑Osteichthyes, ↑class Osteichthyes
• Member Meronyms: ↑lungfish, ↑Ceratodontidae, ↑family Ceratodontidae
Useful english dictionary. 2012.