Psectrogaster is a genus of toothless characins from South America, with these currently described species: \n* Psectrogaster amazonica C. H. Eigenmann & R. S. Eigenmann, 1889 \n* Psectrogaster ciliata (J. P. Müller & Troschel, 1844) \n* Psectrogaster curviventris C. H. Eigenmann & C. H. Kennedy, 1903 \n* Psectrogaster essequibensis (Günther, 1864) \n* Psectrogaster falcata (C. H. Eigenmann & R. S. Eigenmann, 1889) \n* Psectrogaster rhomboides C. H. Eigenmann & R. S. Eigenmann, 1889 \n* Psectrogaster rutiloides (Kner, 1858) \n* Psectrogaster saguiru (Fowler, 1941)