Frost, Darrel R. (2014). "Ichthyophis biangularis Taylor, 1965". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 14 January 2015.
Nishikawa, K.; Matsui, M.; Yong, H. S.; Ahmad, N.; Yambun, P.; Belabut, D. M.; Sudin, A.; Hamidy, A.; Orlov, N. L.; Ota, H.; Yoshikawa, N.; Tominaga, A.; Shimada, T. (2012). "Molecular phylogeny and biogeography of caecilians from Southeast Asia (Amphibia, Gymnophiona, Ichthyophiidae), with special reference to high cryptic species diversity in Sundaland". Molecular Phylogenetics and Evolution. 63 (3): 714–723. doi:10.1016/j.ympev.2012.02.017. PMID22387289.
Nishikawa, K.; Matsui, M.; Yong, H. S.; Ahmad, N.; Yambun, P.; Belabut, D. M.; Sudin, A.; Hamidy, A.; Orlov, N. L.; Ota, H.; Yoshikawa, N.; Tominaga, A.; Shimada, T. (2012). "Molecular phylogeny and biogeography of caecilians from Southeast Asia (Amphibia, Gymnophiona, Ichthyophiidae), with special reference to high cryptic species diversity in Sundaland". Molecular Phylogenetics and Evolution. 63 (3): 714–723. doi:10.1016/j.ympev.2012.02.017. PMID22387289.