Teffichthys

Teffichthys Temporal range: Early Triassic PreꞒ Ꞓ O S D C P T J K Pg N ↓
Fossil of T. madagascariensis
Restoration of Teffichthys
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Subclass:	Neopterygii
Genus:	†Teffichthys Marramà et al., 2017
Type species
†Perleidus madagascariensis Piveteau, 1934
Other species
†T. elegans Yuan et al., 2022[1]

Teffichthys is an extinct genus of ray-finned fish from the Early Triassic epoch.^[2] Fossils have been found in Madagascar and China, and possibly also in Angola, Canada, Greenland, and Svalbard.

Classification

The type species of Teffichthys is Perleidus madagascariensis from the Induan of Madagascar. Perleidus is a Middle Triassic genus; Early Triassic species were referred to this genus based on superficial similarities. In 2017, the genus Teffichthys was erected for "Perleidus" madagascariensis, and the second species from Madagascar ("Perleidus" piveteaui) was synonymized with Teffichthys madagascariensis. Other Early Triassic species currently ascribed to Perleidus might be referrable to Teffichthys, too.^[2] Another species, T. elegans, was described from the Early Triassic Guiyang biota of South China.^[1]

A phylogenetic analysis placed Teffichthys as a stem-neopterygian closely related to Meidiichthys and Plesiofuro.^[3]

References

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Neopterygii

Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Actinopterygii Clade: Actinopteri
Actinopterygii see Actinopterygii Neopterygii see below↓ Neopterygii

Neopterygii	†Besania †Boreichthys †Caelatichthys †Cephaloxenus †Chrotichthys †Dollopterus †Frodoichthys †Gimlichthys †Habroichthys †Hulettia †Pristisomus †Tungusichthys †Venusichthys †Zeuchthiscus †Bobasatraniiformes? †Guildayichthyidae? †Pholidopleuriformes? Arctosomus Australosomus Gracilignathichthys Macroaethes Pholidopleurus †Redfieldiiformes? Atopocephala Brookvalia Calaichthys Cionichthys Daedalichthys Denwoodichthys Dictyopyge Endemichthys Geitonichthys Helichthys Hiascoactinus Ischnolepis Lasalichthys Leighiscus Mauritanichthys Molybdichthys Pacorichthys Phlyctaenichthys Redfieldius Sakamenichthys Schizurichthys Sinkiangichthys? †Platysiagidae Caelatichthys? Helmolepis Platysiagum †Polzbergiiformes Hydropessum? Cleithrolepididae Cleithrolepidina Cleithrolepis Polzbergiidae Felberia Luopingichthys? Polzbergia Serrolepis Stoppania †Colobodontidae Chaohuperleidus? Colobodus Crenilepis Dactylolepis? Engycolobodus? Feroxichthys Gabanellia? Nephrotus? †Perleididae Aetheodontus? Alvinia? Chaohuperleidus? Ctenognathichthys? Daninia Diandongperleidus? Dipteronotus? Endennia? Eoperleidus Fuyuanperleidus? Luopingperleidus? Manlietta Megaperleidus? Meidiichthys Meridensia? Moradebrichthys? Paraperleidus Peltoperleidus? Perleidus Plesiofuro? Plesioperleidus Procheirichthys? Teffichthys? Tripelta †Louwoichthyiformes Peltoperleidus? Louwoichthyidae Ctenognathichthys? Louwoichthys Luopingichthys? Pseudobeaconiidae Anatoia Caminchaia Dipteronotus? Echentaia Mendocinichthys Pasambaya Pseudobeaconia †Luganoiiformes Altisolepis? Fuyuanperleidus? Luganoia †Peltopleuriformes Habroichthys? Peltopleuridae Altisolepis? Nannolepis Peltopleurus Placopleurus Thoracopteridae Gigantopterus Italopterus Peripeltopleurus Potanichthys Thoracopterus Wushaichthys †Dapediidae Aetheolepis Dandya Dapedium Hemicalypterus Heterostrophus Paradapedium Sargodon Scopulipiscis Tetragonolepis †Pycnodontiformes see Pycnodontiformes Holostei Ginglymodi see Ginglymodi includes gars Halecomorphi see Halecomorphi includes bowfin Teleostei see Teleostei includes the majority of modern fish

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