D. Chainthong, M. Sartori, and B. Boonsoong, “Stylogomphus thongphaphumensis (Odonata: Anisoptera: Gomphidae), a new gomphid dragonfly and the first record of S. malayanus Sasamoto, 2001 from Thailand ”, Zootaxa, vol. 4763, no. 2, pp. 231–245, Apr. 2020.