Subclass Dipnoi — synonyms, definition
1. subclass Dipnoi (Noun)
subclass Dipnoi (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.
1 type of
Ceratodontidae family Ceratodontidae lungfish
2 parts of
Osteichthyes class Osteichthyes