Ctenodus Temporal range: Tournaisian–Moscovian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Sarcopterygii
Class:	Dipnoi
Family:	†Ctenodontidae
Genus:	†Ctenodus Agassiz, 1838^[1]

Ctenodus (from Greek: κτείς kteis, 'comb' and Greek: ὀδούς odoús 'tooth')^[2] is an extinct genus of prehistoric lungfish and the longest-surviving genus of Carboniferous lungfish.

References

^ Sharp, E. L.; Clack, J. A. (July 2013). "A review of the Carboniferous lungfish genus Ctenodus Agassiz, 1838 from the United Kingdom, with new data from an articulated specimen of Ctenodus interruptus Barkas, 1869". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 104 (2): 169–204. doi:10.1017/S1755691013000479. S2CID 129223529.
^ Roberts, George (1839). An etymological and explanatory dictionary of the terms and language of geology. London: Longman, Orme, Brown, Green, & Longmans. p. 38. Retrieved 29 December 2021.

Dipnomorpha

Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Sarcopterygii
Clade: Rhipidistia

Gnathostomata

see Gnathostomata
Dipnomorpha	see below↓

Dipnomorpha

Dipnomorpha

†Arquatichthys
†Powichthys
†Youngolepis?

†Porolepiformes

Durialepis Hamodus Heimenia Porolepis Quebecius
Holoptychiidae	Duffichthys? Glyptolepis Holoptychius Laccognathus Pseudosauripterus Ventalepis?

Dipnoi

†Ctenodus †Conchopoma †Diabolepis †Dianodipterus †Eoctenodus †Gosfordia †Ichnomylax †Iranorhynchus †Isityumzi †Janvierpaucidentes †Megapleuron †Oervigia †Orlovichthys †Powichthys? †Proceratodus †Rhinodipterus †Sagenodus †Straitonia †Tarachomylax †Tranodis †Westollrhynchus
†Uranolophidae	Melanognathus Uranolophus
†Dipnorhynchidae	Dipnorhynchus Ganorhynchus Speonesydrion
†Stomiahykidae	Archaeonectes Stomiahykus
†Chirodipteridae	Chirodipterus Gogodipterus Palaedaphus Pillararhynchus Sorbitorhynchus Sunwapta
†Holodontidae	Asthenorhynchus Griphognathus Holodipterus Iowadipterus Robinsondipterus Xeradipterus
†Dipteridae	Amadeodipterus Conchodus Dipterus Howidipterus
†Fleurantiidae	Barwickia Fleurantia
†Rhynchodipteridae	Rhynchodipterus Soederberghia
†Phaneropleuridae	Andreyevichthys Nielsenia Phaneropleuron Pentlandia Scaumenacia
†Uronemidae	Ganopristodus Uronemus

Ceratodontoidei

†Ferganoceratodus †Paraceratodus †Ptychoceratodus
Neoceratodontidae	†Archaeoceratodus †Asiatoceratodus †Mioceratodus Neoceratodus
†Ceratodontidae	Arganodus Ariguna Ceratodus Epiceratodus Lupaceratodus Metaceratodus Microceratodus? Potamoceratodus Retodus Tellerodus
†Gnathorhizidae	Beltanodus Gnathorhiza Microceratodus? Monongahela Namatozodia Palaeophichthys? Persephonichthys
Lepidosirenidae	Lepidosiren Protopterus