Fikáček, M., F. Jia, and S. Ryndevich. “A New Aberrant Species of Nipponocercyon From the Mountains of Southeastern China (Coleoptera: Hydrophilidae: Sphaeridiinae)”. Zootaxa, vol. 3904, no. 4, Jan. 2015, pp. 572–580, doi:10.11646/zootaxa.3904.4.6.