TY - JOUR T1 - Oligosarcus jacuiensis (Characiformes: Characidae), a new species from the Uruguay and Jacuí River basins, southern Brazil JO - Neotropical Ichthyology A1 - Menezes, Naércio Aquino A1 - Ribeiro, Alexandre Cunha SN - 1679-6225 UL - 10.1590/S1679-62252010000300010 VL - 8 Y1 - 2010 PB - Brasil ER -