Two new and relatively large species of semi-terrestrial sesarmid crabs of the genus Geosesarma De Man, 1892, are described from Palawan Island, Philippines. They are distinguishable from congeners by the characteristic structure of their carapace, chelipeds, ambulatory legs and male first gonopods. Aspects of their ecology are briefly discussed
Manuel-Santos, Marivene R., Peter K. L. Ng & Hendrik Freitag. 2016. Two new species of Geosesarma De Man, 1892 (Crustacea: Brachyura: Sesarmidae) from Palawan, the Philippines. Raffles Bulletin of Zoology 64: 335-342.