Xyliphius

Xyliphius
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Division: Teleostei
Order: Siluriformes
Family: Aspredinidae
Subfamily: Aspredininae
Genus: Xyliphius
C. H. Eigenmann, 1912
Type species
Xyliphius magdalenae
C. H. Eigenmann, 1912

Xyliphius is a genus of banjo catfishes from South America.

This genus appears to be widespread in the Magdalena, Orinoco, Amazon, and Paraguay-Paraná River systems where they are most common in deeper waters.[1]

Xyliphius includes moderately sized aspredinids, ranging from 8.8–14.7 cm (3.5–5.8 in) SL.[1] Species of this genus are distinguished from all other aspredinids by having highly reduced eyes, toothless premaxillae, a row of fleshy papillae projecting anteriorly off the lower lip, flattened unculi and unculiferous tubercles flattened. These species also have the openings of the anterior nares with papillae and no dark saddles on the body.[1]

Species

There are currently seven described species in this genus:[2]

Synonyms

References

  1. ^ a b c Friel, John Patrick (1994-12-13). A Phylogenetic Study of the Neotropical Banjo Catfishes (Teleostei: Siluriformes: Aspredinidae) (PDF) (PhD thesis). Duke University, Durham, NC. Archived from the original (PDF) on September 28, 2007. Retrieved 2007-08-07.
  2. ^ Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Xyliphius". Catalog of Fishes. California Academy of Sciences. Retrieved 28 October 2025.


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