Chanabun, R., Sutcharit, C., Tongkerd, P., Tan, S.-H.A. and Panha, S. 2012. Three new species of semi-aquatic freshwater earthworms of the genus Glyphidrilus Horst, 1889 from Malaysia (Clitellata: Oligochaeta: Almidae). Zootaxa. 3458, 1 (Sep. 2012), 120–132. DOI:https://doi.org/10.11646/zootaxa.3458.1.6.