Biology:Percomorpha

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Short description: Clade of ray-finned fishes

Percomorpha
Temporal range: Santonian–present
Possible Cenomanian record
Rose fish.jpg
Rose fish
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Superorder: Acanthopterygii
Clade: Percomorpha
Cope, 1871
Subgroups

See text

Synonyms
  • Percomorphaceae Betancur-Rodriguez et al., 2013
  • Acanthopteri

Percomorpha (from la perca 'perch', and grc μορφή (morphḗ) 'shape, appearance') is a large clade of ray-finned fish with more than 17 000 known species that includes the tuna, seahorses, gobies, cichlids, flatfish, wrasse, perches, anglerfish, and pufferfish.[1][2][3][4][5][6]

Evolution

Percomorpha are the most diverse group of teleost fish today. Teleosts, and percomorphs in particular, thrived during the Cenozoic era. Fossil evidence shows that there was a major increase in size and abundance of teleosts immediately after the mass extinction event at the Cretaceous-Paleogene boundary ca. 66 Ma ago.[7] The oldest known percomorph fossils are of the early tetraodontiforms Protriacanthus and Cretatriacanthidae from the Santonian to Campanian of Italy and Slovenia.[8] A higher diversity of early percomorphs is also known from the Campanian of Nardò, Italy, and these also show some level of diversification into modern orders, with representatives of the Syngnathiformes and Tetraodontiformes known.[9] Possibly the oldest percomorph is Plectocretacicus from the Cenomanian of Lebanon, which may be a stem-tetraodontiform; however, some morphological analyses indicate that it shows similarities with non-percomorph groups.[8][10]

Evolution of ray-finned fishes, Actinopterygii, from the Devonian to the present as a spindle diagram. The width of the spindles are proportional to the number of families as a rough estimate of diversity. The diagram is based on Benton, M. J. (2005) Vertebrate Palaeontology, Blackwell, 3rd edition, Fig 7.13 on page 185.

Phylogeny

External relationships

The two cladograms below are based on Betancur-R et al., 2017.[5] Percomorphs are a clade of teleost fishes. The first cladogram shows the interrelationships of percomorphs with other living groups of teleosts.


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Internal relationships

The following cladogram shows the evolutionary relationships of the various groups of extant percomorph fishes:


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References

  1. ↑ Phylogenetic analyses of ray-finned fishes (Actinopterygii) using collagen type I protein sequences
  2. ↑ Thomas J. Near (2012). "Resolution of ray-finned fish phylogeny and timing of diversification". PNAS 109 (34): 13698–13703. doi:10.1073/pnas.1206625109. PMID 22869754. Bibcode: 2012PNAS..10913698N. 
  3. ↑ Betancur-R, Ricardo (2013). "The Tree of Life and a New Classification of Bony Fishes". PLOS Currents Tree of Life 5 (Edition 1). doi:10.1371/currents.tol.53ba26640df0ccaee75bb165c8c26288. PMID 23653398. 
  4. ↑ Laurin, M.; Reisz, R.R. (1995). "A reevaluation of early amniote phylogeny". Zoological Journal of the Linnean Society 113 (2): 165–223. doi:10.1111/j.1096-3642.1995.tb00932.x. 
  5. ↑ 5.0 5.1 Betancur-R, Ricardo; Wiley, Edward O.; Arratia, Gloria; Acero, Arturo; Bailly, Nicolas; Miya, Masaki; Lecointre, Guillaume; Ortí, Guillermo (6 July 2017). "Phylogenetic classification of bony fishes". BMC Evolutionary Biology 17 (1): 162. doi:10.1186/s12862-017-0958-3. ISSN 1471-2148. PMID 28683774. 
  6. ↑ Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). Hoboken: John Wiley and Sons. pp. 314–526. doi:10.1002/9781119174844. ISBN 978-1-118-34233-6. https://sites.google.com/site/fotw5th/. 
  7. ↑ Sibert, E. C.; Norris, R. D. (2015-06-29). "New Age of Fishes initiated by the Cretaceous−Paleogene mass extinction". PNAS 112 (28): 8537–8542. doi:10.1073/pnas.1504985112. PMID 26124114. Bibcode: 2015PNAS..112.8537S. 
  8. ↑ 8.0 8.1 Arcila, Dahiana; Alexander Pyron, R.; Tyler, James C.; Ortí, Guillermo; Betancur-R., Ricardo (2015-01-01). "An evaluation of fossil tip-dating versus node-age calibrations in tetraodontiform fishes (Teleostei: Percomorphaceae)". Molecular Phylogenetics and Evolution 82: 131–145. doi:10.1016/j.ympev.2014.10.011. ISSN 1055-7903. https://www.sciencedirect.com/science/article/pii/S1055790314003625. 
  9. ↑ Friedman, Matt; V. Andrews, James; Saad, Hadeel; El-Sayed, Sanaa (2023-06-16). "The Cretaceous–Paleogene transition in spiny-rayed fishes: surveying “Patterson’s Gap” in the acanthomorph skeletal record André Dumont medalist lecture 2018" (in en). Geologica Belgica. doi:10.20341/gb.2023.002. ISSN 1374-8505. https://popups.uliege.be/1374-8505/index.php?id=7048. 
  10. ↑ Carnevale, Giorgio; Johnson, G. David (2015). "A Cretaceous Cusk-Eel (Teleostei, Ophidiiformes) from Italy and the Mesozoic Diversification of Percomorph Fishes". Copeia 103 (4): 771–791. doi:10.1643/CI-15-236. ISSN 0045-8511. https://bioone.org/journals/copeia/volume-103/issue-4/CI-15-236/A-Cretaceous-Cusk-Eel-Teleostei-Ophidiiformes-from-Italy-and-the/10.1643/CI-15-236.full. 

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