Huang, H., and C.-C. Chen. “A Review of the Genera Prismognathus Motschulsky and Cladophyllus Houlbert (Coleoptera: Scarabaeoidea: Lucanidae) from China, With the Description of Two New Species”. Zootaxa, vol. 3255, no. 1, Apr. 2012, pp. 1–36, doi:10.11646/zootaxa.3255.1.1.