Nielsen, D. T. B., Shibatta, O. A., Suzart, R. D. R. and Martín, A. F. (2010) “A new species of Simpsonichthys (Cyprinodontiformes: Rivulidae) from the rio São Francisco basin, northeastern Brazil”, Zootaxa. Auckland, New Zealand, 2452(1), pp. 51–58. doi: 10.11646/zootaxa.2452.1.5.