Evolutionary paleobiology, Paleontology, Paleobiology
Electrophoresis, Starch Gel, Animals, Analysis of Variance, Cyprinodontiformes - anatomy & histology, Environmental Pollution, Snails - genetics, Alleles, Genotype, Snails - anatomy & histology, Cyprinodontiformes - genetics
Biodiversity, diversity, speciation, phylogeography, molecular phylogeny, diversification