new species from Argentina:
Scleronema milonga Ferrer & Malabarba, 2020

published in:
Ferrer, J. & L.R. Malabarba (2020):
Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands.
Neotropical Ichthyology 18 (2): e190081

distribution (from publication):
Scleronema milonga occurs in the rio Ijuí and rio Santa Rosa basins, two tributaries to the left bank of rio Uruguay, southern Brazil; and small tributaries of the right bank of the rio Uruguay, Misiones, Argentina.