Barrientos, Z. “Reproductive System, Mating Behavior and Basic Ecology of an Extremely Rare Tropical Snail: Drymaeus Tripictus (Stylommatophora: Bulimulidae)”. Revista De Biología Tropical, vol. 64, no. 1, Mar. 2016, pp. 55–68, doi:10.15517/rbt.v64i1.18582.