Subfamily Tridenchthoniinae Balzan 1892
Arachnida - Pseudoscorpiones - Chthoniidae
Alternative spelling: Tridenchthoniidae
Parent taxon: Chthoniidae according to L. R. Benavides et al. 2019
See also Dunlop et al. 2013
Sister taxa: Chthoniinae, Chthonius, Lechytiinae, Pseudochthonius
Subtaxa: Chelignathus
Distribution:
• Eocene of Poland (1 collection), the Russian Federation (1)
Total: 2 collections each including a single occurrence