Tridentinae

Tridentinae is a subfamily of freshwater ray-finned fishes belonging to the family Trichomycteridae, the pencil and parasitic catfishes. These catfishes are commonly known as the tiny pencil catfishes.^[3] The species in this subfamily are found in South America. Tridentinae are characterised by having a very long anal fin which is supported by in excess of 15 fin rays.^[4]

Tridentinae
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Siluriformes
Family:	Trichomycteridae
Subfamily:	Tridentinae C. H. Eigenmann, 1918[1]
Type genus
Tridens[1] C. H. Eigenmann & R. S. Eigenmann, 1889 [2]

Genera

Tridentinae contains the following valid genera:^[2]

• Miuroglanis C. H. Eigenmann & R. S. Eigenmann, 1889
• Rhinotridens Datovo, Ochoa, Vita, Presti, Ohara & de Pinna, 2023
• Tridens C. H. Eigenmann & R. S. Eigenmann, 1889
• Tridensimilis Schultz, 1944
• Tridentopsis Myers, 1925