Schematic representation of melanophoric coloration elements that may be present in Heptapterini species, based on the new species described herein and comparative members of the same tribe (mainly Imparfinis minutus and Rhamdioglanis frenatus, in which most of the elements are present).

 
 
  Part of: Deprá GC, Aguilera G, Faustino-Fuster DR, Katz AM, Azevedo-Santos VM (2022) Redefinition of Heptapterus (Heptapteridae) and description of Heptapterus carmelitanorum, a new species from the upper Paraná River basin in Brazil. Zoosystematics and Evolution 98(2): 327-343. https://doi.org/10.3897/zse.98.89413