| abstract | A new genus, three new species, and three known species of oribatid mite are described from the marine littoral of the Ryukyu Archipelago, southwestern Japan. These taxa are Arotrobates granulatus Luxton, 1992, Rhizophobates shimojanai gen. nov. and sp. nov., Schusteria nagisa sp. nov., S. saxea sp. nov., Alismobates reticulatus Luxton, 1992, and Fortuynia rotunda Marshall and Pugh, 2002. Two African species of the genus Schusteria, S. melanomerus Marshall and Pugh, 2000 and S. ugraseni Marshall and Pugh, 2000, are transferred to the new genus Rhizophobates. |