Méndez-Marin, O., Hernández Franyutti, A.A., Álvarez-González, C.A., Uribe, M.C. and Contreras-Sánchez, W.M. 2016. Permanent germinal epithelium and reproductive cycle of Atractosteus tropicus (Lepisosteiformes: Lepisosteidae) males, Tabasco, Mexico. Revista de Biología Tropical. 64, 4 (Dec. 2016), 1597–1609. DOI:https://doi.org/10.15517/rbt.v64i4.21123.