confirmed as a species from Argentina:
Cheirodon ibicuhiensis Eigenmann, 1915

type locality:
Brazil, Rio Grande do Sul, Cacequi, Rio Ibicuí, Rio Grande do Sul, Brazil

Cheirodon ibicuhiensis was collected in a small tributary of the río Uruguay in the Ubajay district, Entre Rios province, just north of the Parque Nacional El Palmar (ZFMK 39694-699). Malabarba (2003) lists this species for the Uruguay river basin in Argentina without providing detailed locality data. Country assignments in Catalogue of Fishes and Fishbase are based on Malabarba. The distribution of this species in Argentina was confirmed recently by Mantinian et al. (2006).

published in:
Malabarba, L.R. (2003):
Cheirodontinae (characins, tetras). p. 215-221
In: Reis, R.E., S.O. Kullander & C.J. Ferraris (eds.):
Checklist of the freshwater fishes of South and Central America.
EDIPUCRS, Porto Alegre, 742 p.

Mantinian, J.E., A.M. Miquelarena & P.A. Scarabotti (2006):
Distribución y habitat de Cheirodon ibicuhiensis Eigenmann (Characiformes: Characidae) en la región Centro Este de Argentina.
Poster presented in:
Reunión Argentina de Ciencias Naturales + IX Jornadas de Ciencias Naturales del Litoral
22.-24.11.2006, city of Paraná, Entre Rios, Argentina

Mantinian, J.E., A.M. Miquelarena & P.A. Scarabotti (2008):
Redescripción de Cheirodon ibicuhiensis Eigenmann, 1915 (Characiformes: Cheirodontinae), con notas sobre su distribución en Argentina.
Natura Neotropicalis 39 (1/2): 33-46