Left lower jaw in medial view. A Trichomycterus giganteus, UFRJ 5732, paratype. B Cambeva davisi, UFRJ 10713. C Trichomycterus alternatus, UFRJ 9900. D Cambeva zonata, UFRJ 11900. E Trichomycterus brasiliensis, UFRJ 4834. F Cambeva brachykechenos, UFRJ 10586. G Scleronema operculatum, UFRJ 11856. Scale bar: 1 mm aar, anguloarticuloretroarticular; corp.p, coronoid process; de, dentary; max.de.ch., maxillo-dentary channel; b.f. bone flap.

 
 
  Part of: Katz AM, Barbosa MA, de Oliveira Mattos JL, da Costa WJE (2018) Multigene analysis of the catfish genus Trichomycterus and description of a new South American trichomycterine genus (Siluriformes, Trichomycteridae). Zoosystematics and Evolution 94(2): 557-566. https://doi.org/10.3897/zse.94.29872