COSTA, W. J. Simpsonichthys nielseni sp. n. (Teleostei: Cyprinodontiformes: Rivulidae): a new annual killifish from the São Francisco River basin, Brazil. Zootaxa, Auckland, New Zealand, v. 1039, n. 1, p. 57–64, 2005. DOI: 10.11646/zootaxa.1039.1.5. Disponível em: https://mapress.com/zt/article/view/zootaxa.1039.1.5. Acesso em: 12 apr. 2025.