Menezes, Naércio A., et al. “ Two New Species and a Review of the Inseminating Freshwater Fish Genus Monotocheirodon (Characiformes: Characidae) from Peru and Bolivia ”. Papéis Avulsos De Zoologia, vol. 53, no. 10, Jan. 2013, pp. 129-44, https://doi.org/10.1590/S0031-10492013001000001.