Biology:Amblypterus

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Amblypterus (from Greek: ἀμβλύς amblys, 'blunt' and Greek: πτερόν pteron 'wing' or 'fin')[1] is an extinct genus of freshwater ray-finned fish that lived during the Gzhelian (upper Carboniferous) and Cisuralian (lower Permian) epoch in what is now Europe (France & Germany) and possibly India, the United States and Argentina.[2][3] Potential indeterminate records stretch as far back as the early Carboniferous.[4]

Taxonomy

This genus displays close similarities to Paramblypterus, to the extent that both may be synonymous, although presently they are considered distinct. The type specimen of A. latus is lost.[5]

Species

The following species are known:[4][6]

  • A. arcuatus Egerton, 1850 - Early Permian (Sakmarian) of Germany (Goldlauterer Formation)
  • A. baylei Sauvage, 1890 - - Early Permian (Asselian) of France (Muse Formation)
  • A. beaumonti Egerton, 1850 - Asselian of France (Muse Formation)
  • A. berthieri Sauvage, 1893 - Asselian of France (Assise de Millery Formation)
  • A. bibractensis Sauvage, 1893 - Asselian of France (Assise de Millery Formation)
  • A. decorus Egerton, 1850 - Late Carboniferous (Gzhelian) of France (Commentry Shales)
  • A. kashmiriensis Woodward & Seward, 1905 - Early Permian (Artinskian) of Jammu & Kashmir, India (Mamal Formation)
  • A. latus Agassiz, 1833 (type species) - Asselian of Germany (Meisenheim & Lebacher Schichten Formations)[7]
  • A. magnus Sauvage, 1890 - Asselian of France (Muse Formation)
  • A. stewarti Romer, 1942 - Late Carboniferous (Kasimovian to Gzhelian) of West Virginia, US (Uniontown Limestone)[8]
  • A. symmetricus Woodward, 1905 - Artinskian of Jammu & Kashmir, India (Mamal Formation)
  • A. traquairi Woodward, 1891 - Asselian of Germany (Meisenheim & Lebacher Schichten Formations)[6]

Synonymy

  • Amblypterus agassizi (Munster, 1835) → Gyrolepis agassizi Munster, 1835
  • Amblypterus blainvillei (Agassiz, 1833) → Aeduella blainvillei (Agassiz, 1833) [= Palaeoniscus blainvillei Agassiz, 1833, Palaeothrissum inaequilobum Blainville, 1818][9]
  • Amblypterus eurypterygius Agassiz, 1833 → Rhabdolepis macroptera (Bronn, 1829)
  • Amblypterus duvernoyi Agassiz, 1833 → Paramblypterus duvernoyi (Agassiz, 1833)[3]
  • Amblypterus lateralis Agassiz, 1833 → Amblypterus latus Agassiz, 1833
  • Amblypterus orientalis Eichwald, 1860 → ?Tetragonolepis murchisoni von Waldheim, 1842[6]
  • Amblypterus ornatus Emmons, 1857 (=A. carolinae Hay, 1902) → ?Turseodus sp.[6][10]
  • Amblypterus macropterus (Bronn, 1829) → Rhabdolepis macroptera (Bronn, 1829)[11]

See also

  • Prehistoric fish
  • List of prehistoric bony fish

References

  1. ↑ Roberts, George (1839) (in English). An etymological and explanatory dictionary of the terms and language of geology. London: Longman, Orme, Brown, Green, & Longmans. p. 6. https://archive.org/details/anetymologicala00robegoog. Retrieved 29 December 2021. 
  2. ↑ 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. 
  3. ↑ 3.0 3.1 Dietze, Kathrin (2000). "A revision of paramblypterid and amblypterid actinopterygians from Upper Carboniferous-Lower Permian lacustrine deposits of Central Europe". Palaeontology 43 (5): 927–966. doi:10.1111/1475-4983.00156. Bibcode: 2000Palgy..43..927D. 
  4. ↑ 4.0 4.1 "PBDB". https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=34969. 
  5. ↑ Muzeum, Národní. "New data on the osteology of the actinopterygian fish Amblypterus and the relationship between Amblypterus and Paramblypterus.". https://publikace.nm.cz/en/periodicals/fiamnpsbhn/69-3-4/new-data-on-the-osteology-of-the-actinopterygian-fish-amblypterus-and-the-relationship-between-amblypterus-and-paramblypterus. 
  6. ↑ 6.0 6.1 6.2 6.3 Geology, British Museum (Natural History) Department of; Woodward, Arthur Smith (1891) (in en). Catalogue of the Fossil Fishes in the British Museum (Natural History): Elasmobranchii (Acanthodii), Holocephali, ichthyodorulites, Ostracodermi, Dipnoi, and Teleostomi (Crossopterygii and chondrostean Actinopterygii). order of the Trustees. https://www.google.com/books/edition/Catalogue_of_the_Fossil_Fishes_in_the_Br/etAKAQAAIAAJ. 
  7. ↑ Traquair, Ramsay H. (1877). "On the Agassizian Genera Amblypterus, Palæoniscus, Gyrolepis, and Pygopterus". Quarterly Journal of the Geological Society of London 33 (1-4): 548–578. doi:10.1144/GSL.JGS.1877.033.01-04.33. https://www.lyellcollection.org/doi/abs/10.1144/GSL.JGS.1877.033.01-04.33. 
  8. ↑ Romer, Alfred Sherwood (1942-03-01). "Notes on certain American Paleozoic fishes" (in en). American Journal of Science 240 (3). doi:10.2475/ajs.240.3.216. https://ajsonline.org/article/58040-notes-on-certain-american-paleozoic-fishes. 
  9. ↑ Westoll, Thomas S. (1937). "LVII.—On a remarkable fish from the lower Permian of Autun, France". Annals and Magazine of Natural History. Series 10 19 (114): 553–577. doi:10.1080/00222933708655302. 
  10. ↑ Olsen, Paul Eric; McCune, Amy Reed; Thomson, Keith Stewart (1982-01-01). "Correlation of the early Mesozoic Newark Supergroup by vertebrates, principally fishes" (in en). American Journal of Science 282 (1). doi:10.2475/ajs.282.1.1. https://ajsonline.org/article/60185-correlation-of-the-early-mesozoic-newark-supergroup-by-vertebrates-principally-fishes. 
  11. ↑ Traquair, Ramsay H. (1878). "2. On New and Little-known Fossil Fishes from the Edinburgh District. No. II". Proceedings of the Royal Society of Edinburgh 9: 275–282. doi:10.1017/S0370164600032223. 

Further reading

  • Evolution: The Grand Experiment by Carl Werner and Debbie Werner
  • Fishes of the World by Joseph S. Nelson
  • A Pictorial Guide to Fossils by Gerard Ramon Case

Template:Actinopterygian genera Wikidata ☰ Q4741585 entry




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