Karst landscape in the area where Mejiro-do cave is located (yellow star). Below, the quarry, whose limits are less than 2km from the Mejiro-do cave entrance.

 
 
  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