†family Slimoniidae Novojilov 1962 (eurypterid)
Parent taxon: Pterygotoidea according to J. C. Lamsdell 2025
See also Dunlop et al. 2013 and Dunlop et al. 2020
Sister taxa: Ciurcopteridae, Herefordopteridae, Hughmilleriidae, Hunanopteridae, Pterygotidae
Subtaxa: Salteropterus Slimonia
Type: Slimonia
Ecology: nektobenthic carnivore
Distribution:
• Devonian of Czechia (1 collection)
• Silurian of Bolivia (1), China (1), Czechia (2), the United Kingdom (8)
Total: 13 collections each including a single occurrence