Reference
Hans-Joachim Bremer (2014): Revision of the genus Amarygmus DALMAN, 1823 and related genera. Part LXXII. The Amarygmini of Borneo (Coleoptera: Tenebrionidae), part IV.
Species of the genus Plesiophthalmus and related genera (including species of Sumatra, Java and - partially - Peninsular Malaysia) – Mitteilungen der Münchner Entomologischen Gesellschaft – 104: 31 - 83.