Pseudocrangonyx crassus sp. nov. Holotype: male, NIBRV0000862809, 10.6 mm, from Gossigul Cave, South Korea. A maxilliped B gnathopod 1 C rastellate setae gnathopod 1 D and palm of gnathopod 1 E gnathopod 2 F rastellate setae of gnathopod 2 G palm of gnathopod 2 H coxal gill of gnathopod 2.

 
 
  Part of: Jung TW, Kim JG, Kim M-S, Yoon SM (2020) Five new subterranean amphipods of the genus Pseudocrangonyx from Korea (Crustacea, Amphipoda, Pseudocrangonyctidae). ZooKeys 970: 1-50. https://doi.org/10.3897/zookeys.970.55035