Natrix türüne bağlı alttürler (2024):
- Carroll R. L. (1988), Vertebrate Paleontology and Evolution, 1-698
- Szyndlar Z. (1984) Fossil snakes from Poland, Acta Zoologica Cracoviensia 28 1, 1-156
- Bachmayer F., Szyndlar Z. (1985) Ophidians (Reptilia: Serpentes) from the Kohfidisch fissures of Burgenland, Austria, Annalen des Naturhistorischen Museums in Wien, Serie A: Mineralogie und Petrographie, Geologie und Palaeontologie, Anthropologie Praehistorie 87, 79-100
- Bachmayer F, Szyndlar Z (1987) A second contribution to the ophidian fauna (Reptilia: Serpentes) of Kohfidisch, Austria, Annalen des Naturhistorischen Museums in Wien, Serie A: Mineralogie und Petrographie, Geologie und Palaeontologie, Anthropologie Praehistorie 88, 25-39
- Venczel M., Stiuca E. (2008) Late middle Miocene amphibians and squamate reptiles from Taut, Romania, Geodiversitas 30 4, 731-763
- Cernansky A., Rage J. C., et al (2015) The Early Miocene squamates of Amöneburg (Germany): the first stages of modern squamates in Europe, Journal of Systematic Palaeontology 13 2, 97-128 doi:10.1080/14772019.2014.897266