Suborder Heterosphyronida Chamberlin 1929 (pseudoscorpion)
Parent taxon: Pseudoscorpiones according to L. R. Benavides et al. 2019
Sister taxa: Chelifer ehrenbergii, Chelonethi, Epiochierata, Heterolophus, Homosphyronida, Obisium, Palaeosphyronida
Subtaxa: Chthonioidea
Ecology:
Distribution:
• Quaternary of Madagascar (1 collection)
• Miocene of the Dominican Republic (1), Mexico (2), United States (1: California)
• Eocene of Germany (1), Poland (1), the Russian Federation (3), Ukraine (1)
• Cretaceous of Myanmar (3)
Total: 14 collections including 20 occurrences