Tan, Ming Kai, Jessica B. Baroga-Barbecho, and Sheryl A. Yap. 2019. “Taxonomic Notes on Trigonidium And Related Groups With One New Species from the Philippines (Orthoptera: Trigonidiidae; Trigonidiinae)”. Zootaxa 4564 (2). Auckland, New Zealand:573–587. https://doi.org/10.11646/zootaxa.4564.2.13.