subclass Dipnoi

Thesaurus

Noun

1.

subclass Dipnoi - bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of CrossopterygiiDipnoiclass Osteichthyes, Osteichthyes - a class of fish having a skeleton composed of bone in addition to cartilagelungfish - air-breathing fish having an elongated body and fleshy paired fins; certain species construct mucus-lined mud coverings in which to survive droughtCeratodontidae, family Ceratodontidae - lungfishes having hornlike ridges on the teethclass - (biology) a taxonomic group containing one or more orders