Trichogenes

Trichogenes
Trichogenes claviger
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Siluriformes
Family:	Trichomycteridae
Subfamily:	Trichogeninae Isbrücker, 1986
Genus:	Trichogenes Britski & Ortega, 1983
Type species
Trichogenes longipinnis Britski & Ortega, 1983 [1]

Trichogenes is a genus of pencil catfishes. It is currently the only genus within the subfamily Trichogeninae.

A third species, T. beagle, was described in 2020 from archival material of unknown origin. The occurrence of the new species in the wild is unknown. ^[2]

Etymology

The name Trichogenes is composed of the words 'Tricho', referring to its family, the Trichomycteridae, and 'genes', referring to the genus Helogenes due to its superficial resemblance to the latter. ^[1]

Distribution

Trichogenes species are endemic to Brazil.

Species

There are currently three recognized species in this genus: ^[3]

• Trichogenes beagle de Pinna, Reis & Britski, 2020
• Trichogenes claviger de Pinna, Helmer, Britski & Nunes, 2010
• Trichogenes longipinnis Britski & Ortega, 1983

References

1. Britski, H. A.; Ortega, H. (1983). "Trichogenes longipinnis, novo gênero e espécie de Trichomycterinae do sudeste do Brasil (Pisces, Siluriformes)" [Trichogenes longipinnis, a new genus and species of the Trichomycterinae from the southeast of Brazil (Pisces, Siluriformes)](PDF). Revista Brasileira de Zoologia (in Portuguese). 1 (3): 211–216. doi: 10.1590/s0101-81751982000300011 .
2. Pinna, Mário C. C. de; Reis, Vinícius (Vinícius José Carvalho); Britski, Heraldo A. (2020). "A new species of Trichogenes (Siluriformes, Trichomycteridae), with a discussion on the homologies of the anterior orbital bones in trichomycterids and other loricarioids". American Museum Novitates (3951). hdl:2246/7115.
3. Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Trichogenes". FishBase . July 2014 version.