Porta, A., Michalik, P., Franchi, E. & Proud, D. (2020). The first fossil pycnocheiridiine pseudoscorpion (Pseudoscorpiones: Cheiridiidae: Procheiridium gen. nov.) from Cretaceous Burmese amber. Zootaxa 4801: 142–150. ZooBank: 14C5CC99-A3DF-4363-82DC-68BDF2FA849D
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