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Porta, A. O.; Michalik, P.; Franchi, E.; Proud, D. N.

The First Fossil Pycnocheiridiine Pseudoscorpion (Pseudoscorpiones: Cheiridiidae: Procheiridium Gen. nov.) from Cretaceous Burmese amber

. Zootaxa 2020, 4801, 142–150.