subclass dipnoi is a noun meaning "bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii". It carries one recorded sense.
bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii
Definitions, synonyms and semantic relations for subclass dipnoi come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.