Publication of Wilson Costa's descriptions of Rivulus bororo and Rivulus paresi

Costa, WJEM (2007) Rivulus bororo and R. paresi, two new killifishes from the upper Paraguay River basin, Brazil (Teleostei: Rivulidae). Ichthyological Exploration of Freshwaters 18, pp. 351–357

Codes BOR and PSI asssigned, repsecitvely.