Husana, D. E. M.; Yamamuro, M.; Ng, P. K. L. Two New Species of Freshwater Crabs of the Genus Sundathelphusa Bott, 1969 (Decapoda: Brachyura: Gecarcinucidae) from Caves in Luzon, Philippines. Zootaxa 2014, 3815, 565–574.