33 Karst landscape in the area where Inaba-do cave is located 34 Inaba-do cave entrance 35 chamber located at the innermost area of Inaba-do cave 36 P. nipponica, living specimen from Inaba-do cave 37 stone wall built in Goya Daiichi Shonyu-do cave 38 mettalic stairs in Goya Daiichi Shonyu-do cave 39 P. nipponica, living specimen from Goya Daiichi Shonyu-do cave.

 
 
  Part of: Sendra A, Yoshizawa K, Ferreira RL (2018) New oversize troglobitic species of Campodeidae in Japan (Diplura). Subterranean Biology 27: 53-73. https://doi.org/10.3897/subtbiol.27.28575