Metaceratodus

Metaceratodus Temporal range: Late Triassic-Late Cretaceous, 221.5–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N Norian-Maastrichtian
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Sarcopterygii
Class:	Dipnoi
Order:	Ceratodontiformes
Family:	†Ceratodontidae
Genus:	†Metaceratodus Chapman, 1914
Species
See text

Metaceratodus is an extinct genus of prehistoric lungfish in the family Ceratodontidae, with an indeterminate specimen known from the Late Triassic (Norian)-aged Lissauer Breccia of Poland^[1] and more complete specimens known from the Late Cretaceous of Queensland, Australia and Argentina (Malargue Group).^[2][3][4] The genus was named and described by Frederick Chapman in 1914.^[5][6]

Species

The seven identified species of Metaceratodus are listed below, while an eighth unnamed species is known from Poland:^[7]

• cf. Metaceratodus sp.
• Metaceratodus baibianorum
• Metaceratodus bonei
• Metaceratodus ellioti
• Metaceratodus kaopen (=Ptychoceratodus kaopen, P. cionei)
• Metaceratodus palmeri
• Metaceratodus wichmanni (=Ceratodus wichmanni)
• Metaceratodus wollastoni

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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