Schmidt, Joachim, Hannes Hoffmann, and Peter Michalik. “Blind Life in the Baltic Amber Forests: Description of an Eyeless Species of the Ground Beetle Genus Trechus Clairville, 1806 (Coleoptera: Carabidae: Trechini)”. Zootaxa 4083, no. 3 (February 22, 2016): 431–443. Accessed May 2, 2025. https://www.mapress.com/zt/article/view/zootaxa.4083.3.7.