Nahok, B., Tumpeesuwan, S., & Tumpeesuwan, C. (2021). Five new species of the land snail genus Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from northeastern Thailand, with note on genitalia and radula morphology of Landouria diplogramma (Möllendorff, 1902). European Journal of Taxonomy, 767(1), 142–166. https://doi.org/10.5852/ejt.2021.767.1495