Retodus

Retodus Temporal range: Albian–Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
Restoration of Retodus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Sarcopterygii
Order:	Dipnoi
Family:	†Ceratodontidae
Genus:	†Retodus Churcher, De Iuliis & Kleindienst, 2006
Binomial name
†Retodus tuberculatus Churcher, De Iuliis & Kleindienst, 2006
Synonyms
Ceratodus tuberculatus Tabaste, 1963 Neoceratodus tuberculatus Tabaste, 1963

Retodus is an extinct genus of prehistoric lungfish found in Cretaceous-aged freshwater strata of Egypt (Baharija Formation), Algeria and Niger.^[1][2] The type species, R. tuberculatus, was named in 2006.^[3][4] It was originally named as a species of Ceratodus and Neoceratodus in 1963.^[5]

Description

Tooth plates of R. tuberculatus are characterised by four transverse ridges, broadly rounded crests, a reticular pattern of ridges and hollows, and large adult size.^[3]

See also

• Sarcopterygii
• List of sarcopterygians
• List of prehistoric bony fish

References

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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

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