^Liew T. S., Vermeulen J. J., bin Marzuki M. E. & Schilthuizen M. (2014). "A cybertaxonomic revision of the micro-landsnail genus Plectostoma Adam (Mollusca, Caenogastropoda, Diplommatinidae), from Peninsular Malaysia, Sumatra and Indochina". ZooKeys, e393. doi:10.3897/zookeys.393.6717.
Further reading
Schilthuizen M., van Til A., Salverda M., Liew T.-S., James S. S., Elahan B. b. & Vermeulen J. J. (2006) "Microgeographic evolution of snail shell shape and predator behavior". Evolution60(9): 1851-1858. doi:10.1554/06-114.1
External links
Media related to Opisthostoma at Wikimedia Commons