Amblypterus

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Not to be confused with Amblypterina.

Amblypterus
Temporal range: Gzhelian to Cisuralian
Amblypterus latus fossil
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: †Paramblypteriformes
Genus: †Amblypterus
Agassiz, 1833
Type species
†Amblypterus latus
Agassiz, 1833
Species

See text

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 (Czech Republic, France, Germany, Switzerland) and possibly India and Argentina.[2][3] Potential indeterminate records stretch as far back as the early Carboniferous.[4]

Restoration of Amblypterus

Taxonomy[edit]

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[edit]

The following species are known:[4]

  • A. arcuatus Egerton, 1850
  • A. baylei Sauvage, 1890
  • A. beaumonti Egerton, 1850
  • A. berthieri Sauvage, 1893
  • A. bibractensis Sauvage, 1893
  • A. carolinae Hay, 1902
  • A. caudatus Heckel & Kner, 1861
  • A. decorus Egerton, 1850
  • A. eupterygius Agassiz, 1833
  • A. kashmiriensis Woodward & Seward, 1905
  • A. latus Agassiz, 1833 (type species)
  • A. macropterus (Bronn, 1829)
  • A. magnus Sauvage, 1890
  • A. obliquus Heckel & Kner, 1861
  • A. orientalis Eichwald, 1860
  • A. ornatus Emmons, 1857
  • A. stewarti Romer, 1942
  • A. symmetricus Woodward, 1905
  • A. tenuicauda Troschel, 1851
  • A. traquairi Woodward, 1891

Synonymy[edit]

  • Amblypterus agassizi (Munster, 1835) → Gyrolepis agassizi Munster, 1835
  • Amblypterus blainvillei (Agassiz, 1833) → Aeduella blainvillei (Agassiz, 1833) [= Palaeoniscus blainvillei Agassiz, 1833, Palaeothrissum inaequilobum Blainville, 1818][6]
  • Amblypterus eurypterygius Agassiz, 1833 → Rhabdolepis macroptera (Bronn, 1829)
  • Amblypterus lateralis Agassiz, 1833 → Amblypterus latus Agassiz, 1833

See also[edit]

References[edit]

  1. ^ Roberts, George (1839). An etymological and explanatory dictionary of the terms and language of geology. London: Longman, Orme, Brown, Green, & Longmans. p. 6. 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. S2CID 5332637.
  3. ^ 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. Bibcode:2000Palgy..43..927D. doi:10.1111/1475-4983.00156.
  4. ^ a b "PBDB". paleobiodb.org. Retrieved 2024-02-16.
  5. ^ Muzeum, Národní. "New data on the osteology of the actinopterygian fish Amblypterus and the relationship between Amblypterus and Paramblypterus". National museum. Retrieved 2024-02-16.
  6. ^ 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.

Further reading[edit]

  • 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


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