Hosta

by NG | Mar 16, 2018 | Hosta

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Holoptychiidae is an extinct family of lobe-finned fishes which lived during the Devonian and Carboniferous periods. At least one genus, Laccognathus, is thought to have been amphibious.^[1]

References

^ Vorobyeva, E.I. (2006). "A new species of Laccognathus (Porolepiform Crossopterygii) from the Devonian of Latvia". Paleontol. J. 40 (3). Physorg.com: 312–322. Bibcode:2006PalJ...40..312V. doi:10.1134/S0031030106030129. S2CID 129696592.

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

see Gnathostomata
Dipnomorpha	see below↓

Dipnomorpha

†Porolepiformes

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 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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