Fig. 5From: Geological history of the land area between Okinawa Jima and Miyako Jima of the Ryukyu Islands, Japan, and its phylogeographical significance for the terrestrial organisms of these and adjacent islandsGeological map of the Ryukyu Group on Miyako Jima. The Ryukyu Group on this island consists of five units (modified from Yamada 2002). Ni Nishihara; 1, Tsuzupisuki-Abu cave; 2, Tanahara cave; 3, Pinza-Abu cave; 4, Mumyo-no-ana cave; 5, Amaga caveBack to article page