Porta, A. O., Michalik, P., Franchi, E., & Proud, D. N. (2020).

The first fossil pycnocheiridiine pseudoscorpion (Pseudoscorpiones: Cheiridiidae: Procheiridium gen. nov.) from Cretaceous Burmese amber

. Zootaxa, 4801(1), 142–150. https://doi.org/10.11646/zootaxa.4801.1.6