†superfamily Onychopterelloidea Lamsdell 2011 (eurypterid)
Parent taxon: Eurypterina according to J.A. Dunlop et al. 2020
See also Dunlop et al. 2013
Sister taxa: Diploperculata, Eurypteroidea, Megalograptoidea, Moselopteroidea, Wiedopterus
Subtaxa: Onychopterellidae
Type: Onychopterella
Ecology: nektobenthic carnivore
Distribution:
• Devonian of Germany (1 collection)
• Silurian of Canada (1: Ontario), United States (3: Illinois, Indiana)
• Ordovician of South Africa (1)
Total: 6 collections each including a single occurrence