Pygopterus
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.
| Pygopterus Temporal range:
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|---|---|
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| P. humboldti fossil (Museum of Paleontology, Tübingen) | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Family: | †Pygopteridae |
| Genus: | †Pygopterus Agassiz, 1833 |
| Type species | |
| †Palaeothrissium humboldti Blainville, 1818
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| Other species[1] | |
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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).[2][3] It is one of the few genera of ray-finned fish known to cross the Permian-Triassic boundary.[3]
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Fossils have been found in the Marl Slate Formation, Kupferschiefer (Werra Formation), Ravnefjeld Formation, Vikinghøgda Formation and Buntsandstein.[1][2] 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.[4]
Synonyms
[edit]- Pygopterus greenockii Traquair, 1866 → Nematoptychius greenockii (Traquair, 1866)[1]
See also
[edit]
References
[edit]- ^ a b c 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.
- ^ a b Aldinger, Hermann (1937). "Permische Ganoidfische aus Ostgrönland". Meddelelser om Grønland (in German). 102 (3): 1–392.
- ^ a b 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.
- ^ 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.
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