Vorst, Oscar. “Cercyon Castaneipennis sp. N., an Overlooked Species from Europe (Coleoptera: Hydrophilidae)”. Zootaxa 2054, no. 1 (March 27, 2009): 59–68. Accessed June 22, 2025. https://www.mapress.com/zt/article/view/zootaxa.2054.1.4.