family Ceratodontidae
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Related to family Ceratodontidae: Neoceratodus forsteri, Queensland lungfish, Lepidosiren, South American lungfish
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| Noun | 1. | family Ceratodontidae - lungfishes having hornlike ridges on the teeth fish family - any of various families of fish Dipnoi, 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 Crossopterygii genus Ceratodus - type genus of the Ceratodontidae: extinct genus of lungfishes genus Neoceratodus, Neoceratodus - extant Australian lungfishes |