Pseudocrangonyx crassus sp. nov. Holotype: male, NIBRV0000862809, 10.6 mm, from Gossigul Cave, South Korea. A pereopod 3 B pereopod 4 C coxal gill of pereopod 4 D pereopod 5 E coxa of pereopod 5 F pereopod 6 G coxal gill of pereopod 7 H pereopod 7.

 
 
  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