Biology:Lophiosilurus

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Lophiosilurus is a genus of catfish in the family Pseudopimelodidae, which is endemic to South America. The genus was long thought to be monotypic, with L. alexandri as its only species, but a 2021 study determined the genus Cephalosilurus to be paraphyletic with respects to L. alexandri;[1] consequently, Eschmeyer's Catalog of Fishes considers Cephalosilurus as a junior synonym of Lophiosilurus,[2] though the World Register of Marine Species/FishBase retains two species in the former.[3]

The following species are accepted by EcOF (species retained in Cephalosilurus by WoRMS are marked with C):[2][3]

  • Lophiosilurus albomarginatus (Eigenmann, 1912) (Tukeit, Guyana)[4]
  • Lophiosilurus alexandri (Eigenmann, 1912) (São Francisco River)[5]
  • Lophiosilurus apurensis (Mees, 1978) (Rio Arichuna, Apure)[6]
  • Lophiosilurus fowleri Haseman, 1911 (São Francisco River basin)[7] C
  • Lophiosilurus nigricaudus (Mees, 1974) (Sipaliwini District, Suriname)[8] C

Phylogeny

The following cladogram is based on a 2021 phylogenetic study of morphology that lumped Cephalosilurus into Lophiosilurus: [1]

 

Ictaluridae

 
 
 

Heptapteridae

 
 
 

Pimelodidae

 
Pseudopimelodidae
Batrochoglaninae
 
 

Microglanis parahybae

 
 

Batrochoglanis raninus

 
 
 
 

Lophiosilurus albomarginatus

 
 
 

Lophiosilurus nigricaudus

 
 
 

Lophiosilurus apurensis

 
 
 

Lophiosilurus alexandri

 
 

Lophiosilurus fowleri

 
 
 
 
 
 
 

Pseudopimelodinae

 
 
 
 

References

  1. ↑ 1.0 1.1 Shibatta, Oscar A.; Jarduli, Lucas R.; Abrahão, Vitor P.; Souza-Shibatta, Lenice (2021). "Phylogeny of the Neotropical Pacman catfish genus Lophiosilurus (Siluriformes: Pseudopimelodidae)". Neotropical Ichthyology 19 (4). doi:10.1590/1982-0224-2021-0040. ISSN 1982-0224. 
  2. ↑ 2.0 2.1 Cite error: Invalid <ref> tag; no text was provided for refs named CoF
  3. ↑ 3.0 3.1 "Cephalosilurus Haseman, 1911". FishBase. World Register of Marine Species. http://www.marinespecies.org/aphia.php?p=taxdetails&id=268684. 
  4. ↑ Froese, Rainer and Pauly, Daniel, eds. (2007). "Cephalosilurus albomarginatus" in FishBase. June 2007 version.
  5. ↑ Froese, Rainer and Pauly, Daniel, eds. (2012). "Lophiosilurus alexandri" in FishBase. February 2012 version.
  6. ↑ Froese, Rainer and Pauly, Daniel, eds. (2007). "Cephalosilurus apurensis" in FishBase. June 2007 version.
  7. ↑ Froese, Rainer and Pauly, Daniel, eds. (2007). "Cephalosilurus fowleri" in FishBase. June 2007 version.
  8. ↑ Froese, Rainer and Pauly, Daniel, eds. (2007). "Cephalosilurus nigricaudus" in FishBase. June 2007 version.

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