Ichnomylax Temporal range: Devonian
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Sarcopterygii
Class:	Dipnoi
Family:	†Speonesydrionidae
Genus:	†Ichnomylax Long, Campbell & Barwick, 1994
Species
I. kurnai (type) (Long, Campbell & Barwick, 1994) I. karatajae (Reisz, Krupina & Smith, 2004)

Ichnomylax is an extinct genus of lungfish which lived during the Devonian period. Fossils have been found in Australia and Russia.

References

Long, J. A.; Campbell, K. S. W.; Barwick, R. E. (1994). "A new dipnoan genus, Ichnomylax, from the Lower Devonian of Victoria, Australia". Journal of Vertebrate Paleontology. 14 (1): 127–131. Bibcode:1994JVPal..14..127L. doi:10.1080/02724634.1994.10011542.
Reisz, Robert R.; Krupina, Natalia I.; Smith, Moya M. (2004). "Dental histology in Ichnomylax karatajae sp. nov., an Early Devonian dipnoan from the Taymir Peninsula, Siberia, with a discussion on petrodentine". Journal of Vertebrate Paleontology. 24 (1): 18–25. Bibcode:2004JVPal..24...18R. doi:10.1671/1824-2. S2CID 140672730.

see Gnathostomata
Dipnomorpha	see below↓

Dipnomorpha

Dipnomorpha

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

†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 Palaeodaphus 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

†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