Reichardt H, Costa C. Ptyopteryx britskii, a new neotropical genus and species of the hitherto ethiopian Torridincolidae (Coleoptera, Myxophaga). Pap. Avulsos Zool. 1967;21(1-28 (1967-1968):13-19. doi:10.11606/0031-1049.1967.21.p13-19