Menezes, N.A., and M.M.F. Marinho (2019). A New Species of Knodus Eigenmann (Characiformes: Characidae: Stevardiinae) with Comments on Nuptial Tubercles and Gill Gland in Characiform Fishes. PLoS ONE 14(7): e0217915. دُوِي:10.1371/journal.pone.0217915