Two new species, namely Cunaxa jacobdenheyeri Wurlitzer & Silva sp. nov. and Cunaxa butantorum Wurlitzer & Rocha sp. nov. are illustrated and described. Cunaxa jacobdenheyeri sp. nov. resembles Cunaxa heterostriata , C. jatoiensis , C. polita Kazmierski & , in , C. subita Ripka & Laniecka, in and C. minuta Laniecka & Kazmierski, in . It differs from previous species by possessing the hysterosoma with a shield bearing c₂, c₁–e₁, by the telofemoral apophysis straight, and by chaetotaxy of the genua II with and pseudanal setae ps₂ absent. Cunaxa butantorum sp. nov. resembles C. setirostris (), in , C. potchensis and C. neogazella . It differs by previous species by having the propodosomal shield partially covered by broken striae, by chaetotaxy of the genu I, II and by apophysis on palp telofemur long.