Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Otomorpha
Subcohors: Ostariophysi
Sectio: Otophysa
Ordo: Characiformes
Familia: Characidae
Genus: Tetragonopterus
Species: T. anostomus – T. araguaiensis – T. argenteus – T. carvalhoi – T. chalceus – T. denticulatus – T. franciscoensis – T. juruena – T. kuluene – T. ommatus – T. rarus – T. rufipes – T. signatus – T. vittatus
Name
Tetragonopterus Cuvier, 1816: 166
Type species: Tetragonopterus argenteus Cuvier, 1816
Tetragonopterus argenteus
Etymology: "square-finned", from Greek tetra = 'four', gonio = 'angle', and pterus = 'fin'. Originally a misspelling of Tetragonoptrus, meaning 'quadrate', 'rhomboidal', e.g. "of square appearance" (Latin: quadratus aspectu.)
References
Cuvier G.L. 1816–1817. Le Règne Animal distribué d'après son organisation pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée. Avec Figures, dessinées d'après nature. Tome II. Contenant Les reptiles, les poissons, les mollusques et les annélides. Edition 1, Deterville, Paris. pp. i–xviii + 1–532. [Pls. 9–10, in v. 4] DOI: 10.5962/bhl.title.41460 BHL Reference page. [original description: p. 166]
Silva, P.C. & Malabarba, L.R. 2016. Rediscovery of the holotype of Tetragonopterus vittatus Castelnau 1855, a senior synonym of Moenkhausia doceana (Steindachner 1887) (Characiformes: Characidae). Zootaxa 4132(2): 269–271. DOI: 10.11646/zootaxa.4132.2.6. Reference page.
Silva, G.S.C., Melo, B.F., Oliveira, C. & Benine, R.C. 2016. Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species. Zootaxa 4200(1): 1–46. DOI: 10.11646/zootaxa.4200.1.1. Reference page.
Silva, G.S.C., Melo, B.F., Oliveira, C. & Bonine, R.C. 2017. GABRIEL S. C. SILVA, BRUNO F. MELO, CLAUDIO OLIVEIRA & RICARDO C. BENINE (2016) Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species. Zootaxa, 4200 (1): 001–046. ERRATUM Zootaxa 4238(4): 600–600. DOI: 10.11646/zootaxa.4238.4.11. Full article (PDF) Reference page.
Links
Tetragonopterus species list in FishBase,
Froese, R. & Pauly, D. (eds.) 2022. FishBase. World Wide Web electronic publication, www.fishbase.org, version 08/2021.
Tetragonopterus Cuvier, 1816 – Taxon details on Integrated Taxonomic Information System (ITIS).
Tetragonopterus Bleeker, 1863 Invalid – Taxon details on Integrated Taxonomic Information System (ITIS).
Scharpf, C. & Lazara, K.J. October 24, 2013. Tetragonopterus Cuvier, 1816. Fish Name Etymology Database, ETYFish Project.
Tetragonopterus is a genus of fish in the family Characidae native to South America.
Species
There are currently 12 recognized species of this genus:
Tetragonopterus anostomus G. S. C. Silva & Benine, 2011 [1]
Tetragonopterus araguaiensis G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2013 [2]
Tetragonopterus argenteus G. Cuvier, 1816 [3]
Tetragonopterus carvalhoi B. F. Melo, Benine, Mariguela & C. de Oliveira, 2011 [4]
Tetragonopterus chalceus Agassiz, 1829 [3]
Tetragonopterus denticulatus G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2013 [2]
Tetragonopterus franciscoensis G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2016 [3]
Tetragonopterus georgiae (Géry, 1965) [3]
Tetragonopterus juruena G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2016 [3]
Tetragonopterus kuluene G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2016 [3]
Tetragonopterus ommatus G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2016 [3]
Tetragonopterus rarus (Zarske, Géry & Isbrücker, 2004) [3]
References
Silva, G.S.C. & Benine, R.C. (2011): A new species of Tetragonopterus Cuvier, 1816 (Characiformes, Characidae, Tetragonopterinae) from the upper rio Araguaia, Central Brazil. Zootaxa, 2911: 50–56.
Silva, G.S.C., Melo, B.F., Oliveira, C. & Benine, R.C. (2013): Morphological and molecular evidence for two new species of Tetragonopterus (Characiformes: Characidae) from central Brazil. Journal of Fish Biology, 82 (5): 1613-1631.
Silva, G.S.C., Melo, B.F., Oliveira, C. & Benine, R.C. (2016): Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species. Zootaxa, 4200 (1): 1–46.
Melo, B.F., Benine, R.C., Mariguela, T.C. & Oliveira, C. (2011): A new species of Tetragonopterus Cuvier, 1816 (Characiformes: Characidae: Tetragonopterinae) from the rio Jari, Amapá, northern Brazil. Neotropical Ichthyology, 9 (1): 49-56.
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