F. G.  Thompson, ?Two new land snails of the Genus Opisthostoma from Borneo (Prosobranchia: Cyclophoracea: Diplommatinidae)?, Proceedings of the Biological Society of Washington, vol. 91, pp. 386-391, 1978.

J. J.  Vermeulen, ?Notes on the non-marine molluscs of the island of Borneo 2. The genus Opisthostoma (Gastropoda Prosobranchia: Diplommatinidae), part 2?, Basteria, vol. 55, pp. 139-163, 1991.

J. J.  Vermeulen, ?Notes on the non-marine molluscs of the island of Borneo. 6. The genus Opisthostoma (Gastropoda Prosobranchia: Diplommatinidae), part 2?, Basteria, vol. 58, pp. 73-191, 1994.