†suborder Eurypterina Burmeister 1843 (eurypterid)
Parent taxon: Eurypterida according to O. E. Tetlie 2006
See also Braddy et al. 1995, Brauckmann et al. 2003, Dunlop et al. 2013, Dunlop et al. 2020 and Tetlie 2002
Sister taxa: Belinuropsis, Belinuropsis wigudensis, Dorfopterus, Eurypteracea, Eurypterella, Eurypterella ornata, Holmipterus, Marsupipterus, Parahughmillera, Stylonuracea, Stylonurina, Unionopterus
Subtaxa: Diploperculata Eurypteroidea Megalograptoidea Moselopteroidea Onychopterelloidea Wiedopterus
Ecology: nektobenthic carnivore