| ceratodus | (n) extinct lungfish |
| genus ceratodus | (n) type genus of the Ceratodontidae: extinct genus of lungfishes |
| neoceratodus | (n) extant Australian lungfishes, Syn. genus Neoceratodus |
| australian lungfish | (n) an endangered species of lungfish found in rivers in Queensland, Syn. Neoceratodus forsteri, Queensland lungfish |
| Ceratodus | ‖n. [ NL., fr. Gr. |