Kodada, J., M. A. Jäch, and F. Čiampor Jr. “Ancyronyx reticulatus and A. pulcherrimus, Two New Riffle Beetle Species from Borneo, and Discussion about Elmid Plastron Structures (Coleoptera: Elmidae)”. Zootaxa, vol. 3760, no. 3, Feb. 2014, pp. 383–395, doi:10.11646/zootaxa.3760.3.5.