Ng, Heok Hee, and Chavalit Vidthayanon. 2014. “A Review of the Glyptosternine Catfish Genus Exostoma Blyth 1860 from Thailand, With Descriptions of Two New Species (Teleostei: Siluriformes)”. Zootaxa 3869 (4). Auckland, New Zealand:420–434. https://doi.org/10.11646/zootaxa.3869.4.6.