Pseudocrangonyx concavus sp. nov. Holotype: female, NIBRV0000862807, 9.2 mm, from Hwansangul Cave, South Korea. A pereopod 5 B pereopod 6 C coxal gill of pereopod 6 D pereopod 7 E coxa of pereopod F pleopod 1 G pleopod 2 H pleopod 3 I epimeral plates 1–3. Abbreviation: Ep, epimeral plate.

 
 
  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