Tan, M. K., Baroga-Barbecho, J. B., & Yap, S. A. (2019). Taxonomic notes on Trigonidium and related groups with one new species from the Philippines (Orthoptera: Trigonidiidae; Trigonidiinae). Zootaxa, 4564(2), 573–587. https://doi.org/10.11646/zootaxa.4564.2.13