†family Protochactidae Lourenço et al. 2022 (scorpion)
Arachnida - Scorpiones - Protochactidae
Full reference: W. R. Lourenço, F. Magnani, and R. Stockar. 2022. Taxonomic names, in A new family, genus and species of fossil scorpion from the Meride Limestone (Middle Triassic) of Monte San Giorgio (Switzerland). Faunitaxys 10(24):1-7
Parent taxon: Chactoidea according to W. R. Lourenço et al. 2022
Sister taxa: Chactidae, Euscorpiidae, Hemiscorpiidae, Palaeoeuscorpiidae
Subtaxa: Protochactas
Type: Protochactas
Ecology:
Distribution: found only at Acqua del Ghiffo, level 350 (Triassic of Switzerland)