Nakano, T., Tomikawa, K., & Grygier, M. J. (2018).

Rediscovered syntypes of Procrangonyx japonicus, with nomenclatural consideration of some crangonyctoidean subterranean amphipods (Crustacea: Amphipoda: Allocrangonyctidae, Niphargidae, Pseudocrangonyctidae)

. Zootaxa, 4532(1), 86–94. https://doi.org/10.11646/zootaxa.4532.1.4