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Pygopterus Temporal range: Wuchiapingian–Olenekian PreꞒ Ꞓ O S D C P T J K Pg N
P. humboldti fossil (Museum of Paleontology, Tübingen)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Family:	†Pygopteridae
Genus:	†Pygopterus Agassiz, 1833
Type species
†Palaeothrissium humboldti Blainville, 1818
Other species
†P. degeeri Stensiö, 1921 †P. crecelli Wilser, 1923 †P. gleerupi Aldinger, 1937 †P. nielseni Aldinger, 1937

Pygopterus is an extinct genus of prehistoric bony fish that lived during the Wuchiapingian to Olenekian ages (late Permian to Early Triassic epochs) in what is now England, Germany (Baden-Württemberg, Saxony-Anhalt), Greenland and Svalbard (Spitsbergen). It is one of the few genera of ray-finned fish known to cross the Permian-Triassic boundary.

Fossils have been found in the Marl Slate Formation, Kupferschiefer (Werra Formation), Ravnefjeld Formation, Vikinghøgda Formation and Buntsandstein. A report about the discovery of this fish in Westphalian deposits of Belgium was likely caused by the presence of Nematoptychius which was referred to as Pygopterus in late 19th century.

Synonyms

• Pygopterus greenockii Traquair, 1866 → Nematoptychius greenockii (Traquair, 1866)

See also

• Prehistoric fish
• List of prehistoric bony fish
• Permian-Triassic mass extinction

References

1. ^ Schultze, Hans-Peter; Mickle, Kathryn E.; Poplin, Cecile; Hilton, Eric J.; Grande, Lance (2021). Handbook of Paleoichthyology, 8A. Actinopterygii I. Palaeoniscimorpha, Stem Neopterygii, Chondrostei. Dr. Friedrich Pfeil, München. p. 299. ISBN 978-3-89937-272-4.
2. ^ Aldinger, Hermann (1937). "Permische Ganoidfische aus Ostgrönland". Meddelelser om Grønland (in German). 102 (3): 1–392.
3. ^ Romano, Carlo; Koot, Martha B.; Kogan, Ilja; Brayard, Arnaud; Minikh, Alla V.; Brinkmann, Winand; Bucher, Hugo; Kriwet, Jürgen (2016). "Permian-Triassic Osteichthyes (bony fishes): diversity dynamics and body size evolution". Biological Reviews. 91 (1): 106–147. doi:10.1111/brv.12161. PMID 25431138. S2CID 5332637.
4. C. Derycke, R. Cloutier, A.-M. Candilier (1995). "Palaeozoic vertebrates of northern France and Belgium: Part II - Chondrichthyes, Acanthodii, Actinopterygii (Uppermost Silurian to Carboniferous)". Geobios. 28 (1889–1890): 347. doi:10.1016/S0016-6995(95)80136-7.{{cite journal}}: CS1 maint: multiple names: authors list (link)

v t e Actinopterygian genera
Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Superclass: Osteichthyes Gnathostomata see Gnathostomata Actinopterygii see below↓
Actinopterygii Actinopterygii †Austelliscus †Cheirolepis †Cuneognathus †Dialipina? †Kentuckia †Krasnoyarichthys †Ligulalepis? †Limnomis †Meemannia †Moythomasia †Naxilepis? †Orvikuina? †Osorioichthys †Palaeoneiros †Pickeringius †Raynerius †Stegotrachelus †Tegeolepis †Terenolepis? †Howqualepididae Donnrosenia Howqualepis †Mimiidae Gogosardina Mimipiscis Post-Devonian taxa see below↓
Post-Devonian taxa Post-Devonian taxa †Adroichthys †Aetheretmon †Agecephalichthys †Amblypterina †Ambodipia †Aneurolepis †Angatubichthys †Apateolepis †Arratiaichthys †Asarotus †Australichthys †Avonichthys †Beagiascus †Belichthys †Bethesdaichthys †Birgeria †Bishofia †Bluefieldius †Blourugia †Boreolepis †Brachydegma †Brachypareion †Brazilichthys †Burguklia †Carbonilepis †Caruichthys †Centrolepis †Charleuxia †Chichia †Coccocephalus †Concentrilepis †Cornuboniscus †Cosmolepis †Cosmoptychius †Cretolepis †Cylindrichthys †Daqingshaniscus †Diplospondichthys †Disichthys †Dmitrevichthys †Drydenius †Duwaichthys †Dwykia †Elpisopholis †Ganolepis †Gardinerichthys †Gardinerpiscis †Gondwanichthys †Grandfieldia †Guaymayenia †Guntherichthys †Gyrolepidoides †Huanghelepis †Hyllingea †Illiniichthys †Inichthys †Irajapintoseidon †Itararichthys †Kalops †Kansasiella †Karaunguria †Kazanichthys †Kelliaichthys †Kenderlichthys †Khantausia †Kompasia †Kutaichthys †Lambeia †Lanarkichthys †Lawrenciella †Leptogenichthys †Letovichthys †Lineagruan †Luederia †Mansfieldiscus †Megapteriscus †Melanecta †Mesembrioniscus †Mesonichthys †Mesopoma †Ministrella †Monesedeiphus †Muensterichthys †Myriolepis †Nematoptychius †Neuburgella †Notacmon †Novogonatodus †Nozamichthys †Oxypteriscus †Pacorichthys †Palaeobergia †Paphosiscus †Paradrydenius †Paralogoniscus †Peleichthys †Piratata †Phanerorhynchus †Phanerosteon †Praolepis †Protamblyptera †Pseudohaplolepis †Psilichthys †Pteroniscus †Rastrolepis †Reticulolepis †Roslerichthys †Rubidus †Samarichthys †Santosichthys †Sceletophorus †Schizolepis †Senekichthys †Sinkiangichthys †Sinoniscus †Sixtelia †Sphaerolepis †Spinofacia †Strepheoschema †Sundayichthys †Tanypterichthys †Tanyrhinichthys †Tienshaniscus †Trachelacanthus †Trawdenia †Turgoniscus †Ufalepis †Urosthenes †Usclasichthys? †Uydenia †Uydenichthys †Varialepis †Wayaobulepis †Westlepis †Whiteichthys †Willomorichthys †Woodichthys †Xingshikous †Yogoniscus †Yaomoshania †Zhongweilepis †Acrolepidae Acrolepis Acropholis Challaia Kasanilepis Namaichthys Plegmolepis Progyrolepis? Watsonichthys †Aeduellidae Aeduella Bourbonnella Decazella Neslovicella Platysella Puertollanichthys Schafeevus Spinarichthys Westollia †Aesopichthyidae Aesopichthys Proceramala †Amblypteridae Amblypterus Daphnaechelus Korutichthys? Lawnia Paramblypterus Tchekardichthys Tholonosteon Tholonotus †Bobasatraniiformes Dorypterus Bobasatraniidae Bobasatrania Ebenaqua Ecrinesomus? †Canobiidae Canobius Schaefferius †Discordichthyidae Discordichthys Geryonichthys Mamulichthys Mutovinia †Eigiliidae Eigilia Strelnia †Elonichthyidae Alilepis Elonichthys Palaeostrugia? Meisenheimichthys Rhabdolepis? †Eurynotiformes Mesolepis Paramesolepis Proteurynotus Wardichthys Amphicentridae Amphicentrum Cheirodopsis Eurynotus Styracopteridae Benedenius Fouldenia Styracopterus †Eurynotoidiformes Adzvalepis Alvinichthys Eurynotoides Isadia Kichkassia Lapkosubia Minicholepis Vologdinia †Gonatodidae Gonatodus Pseudogonatodus Usolia †Guildayichthyidae Discoserra Guildayichthys †Haplolepidae Andrewsolepis Blairolepis Braccohaplolepis Haplolepis Millerolepis Parahaplolepis Protohaplolepis Pyritocephalus †Igornichthyidae Commentrya Igornella Igornichthys Setlikia †Palaeoniscidae Atherstonia Cteniolepidotrichia Dicellopyge Ferganiscus Gyrolepis Palaeoniscinotus Palaeoniscum Palaeothrissum Shuniscus Triassodus Weixiniscus †Platysomidae Aestuarichthys Dorsolepis Kargalichthys Ningxiaplatysomus Paranaichthys Platysomus Schaefferichthys Sinoplatysomus Tompoichthys †Ptycholepidae Acrorhabdus Ardoreosomus Boreosomus Chungkingichthys Ptycholepis Yuchoulepis †Pygopteridae Briveichthys Progyrolepis? Pygopterus Zaborichthys †Rhadinichthyidae Cycloptychius Cyranorhis Mentzichthys Pteronisculus? Rhadinichthys Wendyichthys †Saurichthyiformes Yelangichthys Saurichthyidae Costasaurichthys Eosaurichthys Lepidosaurichthys Saurichthys Saurorhynchus Sinosaurichthys †Tarrasiidae Paratarrasius Tarrasius †Turseoidae Pteronisculus? Turfania? Turseodus †Uighuroniscidae Indaginilepis Uighuroniscus Cladistia see Cladistia includes bichirs Actinopteri Chondrostei see Chondrostei includes sturgeons and paddlefish Neopterygii see Neopterygii

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• Prehistoric ray-finned fish genera
• Fossils of Greenland
• Fossils of Germany
• Fossils of Svalbard
• Permian Germany
• Triassic Germany
• Lopingian life
• Wuchiapingian life
• Early Triassic life
• Olenekian life
• Prehistoric ray-finned fish stubs