da Silva, P. C., Nagamachi, C. Y., Silva, D. d. S., Milhomem, S. S. R., Cardoso, A. L., de Oliveira, J. A., & Pieczarka, J. C. (2013). Karyotypic similarities between two species of Rhamphichthys (Rhamphichthyidae, Gymnotiformes) from the Amazon basin. Pensoft Publishers.

da Silva, Patrícia Corrêa, Cleusa Yoshiko Nagamachi, Danillo dos Santos Silva, Susana Suely Rodrigues Milhomem, Adauto Lima Cardoso, Jonas Alves de Oliveira, and Julio Cesar Pieczarka. Karyotypic Similarities between Two Species of Rhamphichthys (Rhamphichthyidae, Gymnotiformes) From the Amazon Basin. Pensoft Publishers, 2013.

da Silva, Patrícia Corrêa, et al. Karyotypic Similarities between Two Species of Rhamphichthys (Rhamphichthyidae, Gymnotiformes) From the Amazon Basin. Pensoft Publishers, 2013.