Reichardt, H. and Costa, C. 1967. Ptyopteryx britskii, a new neotropical genus and species of the hitherto ethiopian Torridincolidae (Coleoptera, Myxophaga). Papéis Avulsos de Zoologia. 21, 1-28 (1967-1968) (Aug. 1967), 13–19. DOI:https://doi.org/10.11606/0031-1049.1967.21.p13-19.